Question

In standard notation, 7.09 �� 10 *to the power of 4* is _____.

Answer 1

Standard form of 7.09×10^4 is 70,900. Move the decimal place four places to the right.

Answer 2

In standard notation, this number is 70,900.

Explanation:

Lets solve this step by step. Each time the decimal point goes to the right, the power of 10 is decreased. So:

`7.09 * 10^(4) = 70.9 * 10^(3) = 709 * 10^(2) = 7090 * 10^(1) = 70900`

So, in standard notation, this number is 70,900.