Select the problems which show the correct answers. (1.12 x 10-) (6.06 x 105)
6.79 x 1010
(2 x 101)3.0 x 101
6.0 x 101
(2.775 x 10-4) (4.775 x 104
1.325 x 100
5
5
8.14 x 102
6.14 x 10-3

i leave the calculator work to you.

7. diameter 4 miles, circumference 4π miles

8. radius 0.2 miles, circumference 0.4π miles

[this is a bad problem because the actual radius of a car on the track is less than 0.2 miles so the answer is less than 0.4π miles]

9. radius 6 feet, circumference 12π feet

10. diameter 14 cm, circumference 14π cm

11. diameter 4.8 feet, circumference 4.8π feet

answer: it's a

step-by-step explanation: