Powers and Roots Practice Test 1

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Question : 28 of 40

Marks: +1, -0

The value of

√{{(0.03)^2+(0.21)^2+(0.065)^2}/{(0.003)^2+(0.021)^2+(0.0065)^2}}

is:

$10^3$
$102$
10
0.1

Solution:

√{{(0.03)^2+(0.21)^2+(0.065)^2}/{(0.003)^2+(0.021)^2+(0.0065)^2}}

=√{{10^2[{(0.003)^2+(0.021)^2+(0.0065)^2}]}/{(0.003)^2+(0.021)^2+(0.0065)^2}}

=√10^2=10

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