Question

When you write 0.0000001 as a power of 10:

a. the base is 1 and the exponent is -7.
b. the base is 1 and the exponent is -6.
c. the base is 10 and the exponent is -7.
d. the base is 10 and the exponent is -6.

Answer 1

Obviously, it's not a. or b..

Answer 2

Counting the number of digits after comma to get exponent number!

Answer 3

Oh, thanks. I got confused because the lesson told me first to do all the zeros, then only after the decimal.

Answer 4

Glad that I can help :)

Answer 5

Uh-oh. Thanks, but I submitted the test and it said that it was wrong. AT least we both learned something new. All the zeroes.

Answer 6

Still, you helped. ;]

Answer 7

thanks

Answer 8

What's your answer?

Answer 9

c.

Answer 10

And you said d

Answer 11

Question 6 (Worth 2 points)

When you write 0.0000001 as a power of 10:

the base is 1 and the exponent is -7.

the base is 1 and the exponent is -6.

the base is 10 and the exponent is -7.

the base is 10 and the exponent is -6.

Points earned on this question: 0

Answer 12

NO, the number of digit after comma is 7

Answer 13

So the result is 10^-7

Answer 14

Oh...oops.

Answer 15

Sorry.

Answer 16

That's why you always need to post your answer so the solver can double check for final result!

Answer 17

Oh, okay. Thanks for the tip.

Answer 18

Do you positively understand why you're wrong now?

Answer 19

Yes.

Answer 20

I am going to redo the test

Answer 21

Okie, good idea to learn!