Question

Please help :) will give medal & fan :D

1: What is 58,000,000,000 estimated as the product of a single digit and a power of 10?

2:Which numbers are greater than 3 × 10−7?

Choose all answers that are correct.

A.
9 × 10−9

B.
2 × 10−5

C.
6 × 10−7

D.
5 × 10−8

E.
2 × 10−7

4:
What is the best order-of-magnitude estimate for 58,100?

A.
10^3

B.
10^4

C.
10^5

D.
10^6

What is the best order-of-magnitude estimate for 0.0008?

A.
10^-3

B.
10^-4

C.
10^-5

D.
10^-6

Thanks :D

Answer 1

for your first question its

5.8 * 10 ^ 10 ..

you should post each question indivisually

Answer 2

@Lama97 Thanks :D