Question

A national park covers an area of 1.42×10 to the power of 6
acres. A nearby national forest covers an area of 1.2×10 to the power of 6 acres. What is the total number of acres in the park and the forest combined?
Responses

a. 2.62×10 to the power of 6
b. 15.5×10 to the power of 6
c. 2.62×10 to the power of 12
d. 1.54×10 to the power of 6

Answer 1

Add the coefficients: 1.42×10^6 + 1.2×10^6 = (1.42 + 1.2)×10^6 = 2.62×10^6.

Answer: a.