standard_description: Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
problem_activity: Problem 1
Solve.
$${87\div31}$$
Problem 2
Sam played arcade games and won 79 tickets. You can buy 1 prize for every 18 tickets earned. Sam bought as many prizes as he could with his tickets. How many prizes was Sam able to buy?


aligns: no