Article: You don't have to clean the main air ducts, but you can do it if cleaning out as much dust as possible is your goal. First, check to see if you have rectangular duct work. If so, go ahead and slide the drives down with the use of pliers. Then, pull the caps off of the slips. The terminology may sound technical, but it should be pretty easy to figure out when you're standing in front of it. The drives are the long, vertical pieces of metal on your rectangular duct work. Take your vacuum hose and slide it into the space created by removing the caps. This should be pretty easy to do, unless the duct is up against the wall. Vacuum out as much dirt and dust as possible. Then, check out what you've done with a flashlight. Vacuum again if doesn't look as clean as you'd like it to be. This is only necessary if you actually have a basement. Usually the duct work in your house will have a few registers dedicated to the air flow in your basement. Take off those registers and vacuum inside of them. Hopefully the job has been done to your liking, but it's okay if you couldn't clean the ducts as well as you would have liked. Some problems, like mold, are too big to handle on your own. If so, call in a professional.
Question: What is a summary of what this article is about?
Take the caps off of the rectangular duct work. Vacuum out the dust. Remove the inside basement registers. Call in a professional.

Problem: Article: Fill a large stockpot halfway to three-quarters full with standard tap water. Set it on the stove and bring it up to a full, rolling boil using high heat. The water is at a full boil when large, rolling waves of bubbles violently break the surface of the water. You need to make sure that you use enough water and a large enough stockpot so for the jeans to be completely submerged. Remove your jeans from the boiling water and transfer them to your dryer immediately. Use the hottest dryer setting possible and dry your jeans completely. The intense heat of the dryer will further tighten the fibers already tightened by the hot, turbulent water. Make sure that you use tongs as you hand the jeans since they will be very hot. Do not air-dry the jeans. Make sure that the jeans are completely dry when you remove them from the drying machine.
Summary: Boil a large stockpot of water. Dry your jeans in the dryer.

INPUT ARTICLE: Article: You can do this by searching for "Instagram" in your device's app marketplace (e.g., the App Store on iOS or the Google Play Store on Android) and then selecting the pertinent search result for download. To do so, tap the Instagram icon (it resembles a multicolored camera) on one of your device's home screens. From here, you'll need to enter your email address, preferred username, password, and phone number (optional but recommended). You'll also have the opportunity to upload a profile photo before continuing. You can choose to add a bit of personal information in the "About" section as well, including a first and last name or a personal website. If you already have an Instagram account, you can tap Sign In at the bottom of the Instagram login page and enter your account login information instead. After finishing your account creation, you'll have an option to choose to find friends from your contact list, Facebook account, Twitter account, or by manual search. Note that you will need to provide Instagram with your Facebook or Twitter account information (your email address and relevant password) before you'll be able to select friends from either of these platforms. You can choose to follow suggested Instagram users by tapping the "Follow" button next to their name. Following people allows you to see their posts in your "Home" page. You will be able to add friends at any time from within your account, even after you create your account. Doing this will take you directly to your Instagram account's Home page, which is where you will see posts from the people you've chosen to follow.

SUMMARY: Download the Instagram app. Open the Instagram app. Create an account by tapping Sign up at the bottom of your screen. Select friends to follow. Select Done when you're ready to proceed.

All whole numbers have an implied ".0" at the end. Rather than trying to visualize this, write it out. Place the decimal point to the right of the last digit, then add a 0 after it. If the original number was 1,500,000, then write it was 1,500,000.0. If the number is already a decimal, like 1,200,000.325, skip this step. For the next step, count from the decimal point that's already there. For an easy counting method, place your pencil on the decimal point. Then move it left and stop at every space between the numbers. Count each space until you reach the first digit in the number. Since the original number is 1,500,000.0, count until you reach the 1. There are 6 place values between the decimal point and the 1. Remember the amount of values you counted. This is important later on. This also works without zeroes. For 657,799,596.0, there are 8 place values between the decimal point and the 6. The first few place values are ones, tens, hundreds, thousands, ten thousands, hundred thousands, and millions. The place values continue rising as numbers get bigger. Once you reach the space between the first and second digits, stop counting. Add a decimal point here and erase the original decimal point. The number 1,500,000.0 changes to 1.500000. Do the same action if the second digit is a zero. For instance, 5,000,000 becomes 5.000000. If the decimal point was printed on the page and you can't erase it, put a line through it so you remember it's been moved. If the number ends with 1 or more zeros, then you can ignore them. Either erase them or write the number again with the zeros omitted. After eliminating the extra zeros, 1.500000 becomes 1.5. Only get rid of zeros at the end of the number. If the number is 8.100200, only get rid of the last 2 zeros so the number is 8.1002. This is where the place values you counted are important. First write the number 10. Then add an exponent equal to the number of place values you counted between the decimal points. Since there are 6 place values between the decimal points in 1.5 (1,500,000), the exponent is 106. In standard form, the number with an exponent is always 10, never a different number. Place the number that you converted first. Then add a multiplication symbol, followed by 10 and the exponent. This represents a number in standard form. For the original number, 1,500,000, the standard form is 1.5 x 106.
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One-sentence summary --
Place a decimal point and a 0 next to the last digit of a whole number. Count the place values between the decimal point and the last digit on the left. Move the decimal point between the first and second digits on the left. Eliminate any zeros left at the end of the number. Write 10 raised to the power of the spaces between the decimal points. Express the equation as the number multiplied by 10 and its exponent.