Question

Divide. 3.9 ÷ 100,000 Enter your answer as a decimal in the box.


[BOX]

Answer 1

Explanation:

`(3.9)/(100000) = \frac{3.9}{ {10}^(5) } = \frac{39}{ {10}^(6) } = 0.000039`

Answer 2

.000039

Explanation:

When dividing by a power of 10, we move the decimal to the left

There are 5 zero's , so move it to the left 5 places

Add zeros if necessary

3.9 becomes .000039