simpliflyign equations positive exponents

sunshine25

New member
Joined
Sep 29, 2007
Messages
4
how do I simplify this equation using positive exponents (6a-4 5b2 c3)-6 all the numbers after the letters are exponents and same with he one on the outside of the bracket Please help. I know what to do if there is one number but when there is two in the equation i am just confused :!:
 

Denis

Senior Member
Joined
Feb 17, 2004
Messages
1,459
(6a-4 5b2 c3)-6

Next time, use the power symbol ^ :
[6a^(-4) 5b^2 c^3]^(-6)

Rule 1: (a^x)^y = a^(xy)
Rule 2: a^(-x) = 1 / a^x

Start by multiplying the 6 and 5 inside square brackets:
[30 a^(-4) b^2 c^3]^(-6)

Rule 1 (don't forget that 30 = 30^1):
30^(-6) a^24 b^(-12) c^(-18)

Rule 2:
a^ 24 / (30^6 b^12 c^18)

Kapish?
 
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