Tuesday

November 25, 2014

November 25, 2014

Posted by **Tina** on Friday, January 29, 2010 at 8:11am.

4x10^9/2x10^-7

- college algebra -
**Dr Russ**, Friday, January 29, 2010 at 8:16am4x10^9/2x10^-7

divide top and bottom by 2 to give

2x10^9/1x10^-7

then subtract the powers of ten as it is a division

9--7=16

so the answer is

2 x 10^16

**Answer this Question**

**Related Questions**

Chemistry help - I need help on these last three problems. -do the following ...

college algebra - perform the indicated computation. write the answer in ...

chemistry - i have a question on scientific notation. is you have: 8x10 to the ...

scientific notation am i doing it right? - write in scientific notation 1) 400,...

Scientific Notation - I'm having some trouble solving this problem: 32x10^2 / (...

Math Check - Divide and write the result using scientific notation the 8 and -4 ...

physics - Would the answer be c? The electrical potential 10 cm from an electron...

Math help - How do i do this Divide and write the result using scientific ...

Math - How do i do this Divide and write the result using scientific notation ...

algebra,math - evaluate and write the answer in scientific notation (4x10^5):(2....