In the year of 2013 the population of california was about 38,332,521 people. write the estimated population as a single digit times a power of 10

Step-by-step explanation:

The given number,

38,332,521,

For writing the number as the product of a single digit and an exponent of 10,

We need to move decimal left side 7 times,

Thus, the exponent of 10 in the resultant number is 7,

Also, after shifting the decimal left side 7 times the resultant number is 3.8332521,

i.e.

step-by-step explanation:

-2

7 - 9 = -2

reversed:

-2 + 9 = 7