Which of the following is equal to 393,500?

3.935 × 10 ^-5

3.935 × 10 ^5

0.3935 × 10 ^-6

39.35 × 10 ^-4

Question

Which of the following is equal to 393,500?



3.935 × 10 ^-5

3.935 × 10 ^5

0.3935 × 10 ^-6

39.35 × 10 ^-4

dantefemboy · Answer

Multiply each one and you should get the answer. If you have a calculator that is.

anonymous · Answer

i dont

anonymous · Answer

its the second one

anonymous · Answer

no direct answers

dantefemboy · Answer

@Radelp No direct answers. Its in the CoC http://openstudy.com/code-of-conduct

nurali · Answer

a scientific notation contain a single digit, then a point (.) and the remaining numbers. 
to determine the scientific notation of a given number, find out how many times you have to move the decimal point to the right of the single digit and that's the power of 10. 
if with the given number, you need to move to the left, the power is a positive 
if with the given number, you need to move to the right, the power is a negative 

in this case, you move 5 times to the left, so the answer is

dantefemboy · Answer

Even though yes the second one is right.

anonymous · Answer

still

dantefemboy · Answer

Good job for knowing the CoC. @colefoster  I honestly didn't expect that. Lol

anonymous · Answer

well i think its not fair to just give out answers you have to help if not we dont learn

dantefemboy · Answer

But yeah 10^5 is 100,000. Then times that by 3.935. Then the decimal disappears or moved over to make the whole number. There was a rule to that but I forgot it.

dantefemboy · Answer

Dedicated to OpenStudy forever. Lol

dantefemboy · Answer

@colefoster

dantefemboy · Answer

If you need help with anymore then @ my name.