In order to maintain equality, you will have to multiply the dividend by the same power of ten. For example: [katex] 1.8 \\div 0.2 = 9 [/katex] is equal to [katex] 18 \\div 2 = 9 [/katex] [katex] 1.8 \\div 0.2 = 9 [/katex] is not equal to [katex] 1.8 \\div 2 = 0.9 [/katex]