Question

What's 8.10% of 3.00x10^8

I have tried it, got 2.43 x 10^7 and have been told that's wrong

Answer 1

When you take percent of something you are actually multiplying by that number then deviding 100

For example 2% of 10
10 * 2/100

Answer 2

yes, your answer is correct, you were told you were wrong by whom?

Answer 3

My lovely homework site where I have to submit my work. Maybe it's how I'm typing it in.

Answer 4

Is sig-Fig correct?

Answer 5

significant figures

Answer 6

Ah yes, I forgot about sig figs. I'll check that out. : ) Thanks for the reminder.

Answer 7

oh, i see your mistake.

Answer 8

its not 10^8, i think you miscounted your zeros

Answer 9

the extended number is : 2430000000

Answer 10

so it's 10^9

Answer 11

2.43 x 10^9

Answer 12

The zeros and the sig figs always seem to get me. Thanks for showing me what I did wrong, I appreciate it.

Answer 13

no problem, i told you i was right, i counted the freaking zeros wrong. lol im glad i double checked. ALWAYS double check

Answer 14

i told you you* were right,

Answer 15

Did your homework page took it?

Answer 16

Yep, it worked out in the in. : ) A combo of the wrong number of zeros and sig figs was it. Thank you mathfreak and imranmeah. : )

Answer 17

no problem , any time:DD