# Math Help

#### cemented

##### Full Member
10+ Year Member
I was wondering if anyone knows any help with the Physical science math, I the theory of the problems, but when it comes to dividiing decimals, or multiplying decimals or taking the cubed root of .5 x 10 ^6???
Any suggestions?

#### DrBowtie

##### Final Countdown
Moderator Emeritus
10+ Year Member
1. Either shift it to scientific notation where there is only a single digit before the decimal (ones place) or shift the number so that they have the same order of magnitude so you can just cancel them.

2. Remember when multiplying exponents, you add them. When dividing you subtract them. Cube root is easy on a number like 10^6 since you can break it up into 10^2*10^2*10^2

#### ks2005

##### Junior Member
10+ Year Member
7+ Year Member
in the examkracker verbal lecture, they have a section on math and how to do it quick, cheap and efficiently! check that out. if it helped me, its got to help you! holler

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