Question

Find 1.47 divided by 3.5. Does the answer change if you use a different power of 10 to multiply the dividend and the divisor before you start to divide? if not, is one choice better than another choice? Explai your reasoning.

Answer 1

the answer to 1.47 divided by 3.5 is 0.42. When you use different power of 10 to multiply the dividend and the divisor, the answer changes to different multiples of 0.42 in terms of 10. The answer could be 0.042 or 4.2 etc depending on the power of 10 used to multiply the dividend and divisor.