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Question

Find the value of (1.8)2×(0.5)2


A

8.1

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B

0.081

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C

0.81

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D

81

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Solution

The correct option is C

0.81


The given expression is

(1.8)2×(0.5)2

=(1.8×0.5)2 [x2y2=(xy)2]

=(0.9)2

=(910)2=9×910×10

=81100

=0.81


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