How do you simplify $(5* 10^ -3)/(2*10^ -4)$ ?

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Answer 1 · 2016-07-16T18:22:51

$25$

One of the laws of indices deals with negative exponents.

By definition: $x^-m = 1/x^(+m)$

We can change the expression into

$(5 xx 10^4)/(2 xx10^3)$

This simplifies to $(5 xx 10)/2 = 25$

How do you simplify (5* 10^ -3)/(2*10^ -4)(5* 10^ -3)/(2*10^ -4)?