February 22, 2017

Homework Help: math

Posted by jo on Friday, October 9, 2009 at 10:04pm.

would 64974000345 be written 6.4*10^10
or 6.4974*10^10
2) how would you write 7.991*10-10 in scientific notation?
3) does 9.0 have 2 (sf) and 100.0000 have (7sf)?I'm confused about the trailing zeros when it comes to decimal points.These are trailing zeros.
4) What do you mean when you said we do not add powers with different exponents?
5) What is the difference between powers and exponents?
6) h^8*h-^3*h^0=h^5. I thought 0 is 1 exponent!

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