Question

PLEASE HELP!!!!

1. Is the number written in scientific notation? If not, explain.

4.8 × 1007 (1 point)
No; it is not written as a number times a power of 10.
Yes; the number is written in scientific notation.
No; the first factor is not a number between 1 and 10.
What is each number written in scientific notation?

2. 1,220,000,000 (1 point)
1.22 × 10
0.122 × 1010
12.2 × 1008
1.22 × 109
3. 0.0287 (1 point)
0.287 × 10–1
2.87 × 10-2
2.87 × 10
28.7 ×100–3

Answer 1

1.No; it is not written as a number times a power of 10.
2. 1.22*10^9

Answer 2

edit: 1. 4.8 × 100^(7)