Math, asked by Soham07, 1 year ago

solve from 7 to 11 pls it's urgent

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Soham07: somebody pls answer

Answers

Answered by rajatjacob
1
7.
x=10^a
y=10^b

so xy=(10^a)(10^b)
xy = 10^(a+b)

8.
a=10^m
b=10^n

(a^3)/(b^2) = ((10^m)^3)/((10^n)^2))
 = (10^3m)/(10^2n)
 = 10^(3m-2n)
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