Question

What exactly is the rule of this? (in words)

7.5 x 1000 = 7500
5.9 x 10 = 59
9.4 x 100 = 940

8.3 / 1000 = 0.0083
6.5 / 10 = 0.65
6.6 / 100 = 0.066

/ means divided by
x means multiply

Answer 1

the rule is scientific notation. if you are multiplying, move the decimal point over the amount of zeros to the right. if dividing, move the decimal point over to the left for the number of zeros there are.

Explanation: