Question

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

4.8 × 100^7

a. No; it is not written as a number times a power of 10.
b.Yes; the number is written in scientific notation.
c.No; the first factor is not a number between 1 and 10.

Answer 1

I also have these two:

What is each number written in scientific notation?

2. 1,220,000,000

a. 1.22 × 10
b. 0.122 × 10^10
c. 12.2 × 100^8
d. 1.22 × 10^9

3. 0.0287


a. 0.287 × 10^–1
b. 2.87 × 10^-2
c. 2.87 × 10
d. 28.7 ×100^–3

Answer 2

1. a

Answer 3

Do you know the other two?

Answer 4

2. d

Answer 5

3. b

Answer 6

I hope this isn't too much to ask...but can you explain?

Answer 7

@ritez

Answer 8

yes sure

Answer 9

for first qstn ..100^7 is used..it should be 10^8

Answer 10

in scntfc notation we use ( 1 to 10) x 10 ^x.....so it will be 1.22 × 10^9 = 1,220,000,000

Answer 11

similarly thrd one is 0.0287 = 2.87 × 10^-2