The decimal equivalent of $\frac {1}{20} $ upto three significant figures is
A$0.0500$
B$0.05000$
C$0.0050$
D$5.0 × 10^{-2}$
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A$0.0500$
a (a) $\frac{1}{{20}} = 0.05$
Decimal equivalent upto $3$ significant figures is $0.0500$
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