Question

Which numbers are greater than 7 × 10^−4?

Choose all answers that are correct.

A. 8 × 10^−4

B. 9 × 10^−5

C. 4 × 10^−4

D. 3 × 10^−2

E. 7 × 10^−5

Answer 1

go with the lowest negative exponent

Answer 2

Okay, Can you help me on this?

What is the best order-of-magnitude estimate for 58,100?

A. 10^3

B. 10^4

C. 10^5

D. 10^6

Answer 3

b