Evaluate frac 1 25 times 0 025 0 05 correct to ... - JAMB Mathematics 2013 Question
Evaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place
A
0.6
B
6.2
C
6.3
D
0.5
correct option: a
\(\frac{1.25 \times 0.025}{0.05}\)
\( = \frac{125 \times 10^{-2} \times 25 \times 10^{-3}}{5 \times 10^{-2}}\)
= 125 x 5 x 10-3
= 625 x 0.001
= 0.625
= 0.6 Approx to 1 d.p.
\( = \frac{125 \times 10^{-2} \times 25 \times 10^{-3}}{5 \times 10^{-2}}\)
= 125 x 5 x 10-3
= 625 x 0.001
= 0.625
= 0.6 Approx to 1 d.p.
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