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  •  » Help with rewriting an expression with positive exponents Please help

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Topic review (newest first)

ryos
2006-02-16 16:54:30

(a^-9*b^-9)(a^3*b^-8)
= (1/a^9)(1/b^9)(a^3)(1/b^8)
= 1/(a^6*b^17)

1/(8xy^-6)^-1
= 1 / (y^6/8x)
= 8x/y^6

4littlepiggiesmom
2006-02-16 16:41:39

(a^-9b^-9)(a^3b^-8)

I* get
a^3/ a^9b^17 which I simpliified to 1/a^6b^17 am I close??

1 more 1/(8xy^-6)^-1 where I get
8xy^6???

Checking my freshman sons homework and he gets something total different......help please:/

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