Question

Which number is equal to 7(3.5 x 104) written in scientific notation?

Answer 1

a) 24.5 x 70^4
b) 2.45 x 10^5
c) 24.5 x 10^4
d) 1.05 x 10^5

Answer 2

Any ideas?

Answer 3

Not really, I did think it was a or c

Answer 4

First of all is the question suppose to be 7(3.5 x 10^4) not "7(3.5 x 104) "?

Answer 5

Yes, Sorry.

Answer 6

and is choice a) 24.5 x 10^4 not "a) 24.5 x 70^4"?

Answer 7

The problem say's 24.5 x 70^4

Answer 8

Ah yes, 24.5 x 10^4 is choice c.

Answer 9

Do choices a) and d) look obviously wrong to you?

Answer 10

choice d) does because it is to the ^5 and in the problem it's to the ^4

Answer 11

Choice a) because of 70^4 and d) because of 1.05.

Answer 12

So how can I figure out what the answer is? And thanks for helping me by the way.