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5 votes
Find the value of 49^-1/2

User Shoelzer
by
7.7k points

1 Answer

5 votes

Answer:


(1)/(7)

Explanation:

using the properties of exponents / radicals


a^(-m) =
(1)/(a^(m) )


a^{(1)/(2) } =
√(a)

given


49^{-(1)/(2) }

=
\frac{1}{49^{(1)/(2) } }

=
(1)/(√(49) )

=
(1)/(7)

User Koraytaylan
by
8.1k points

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