JAMB - Mathematics (1987 - No. 4)
Reduce each number to two significant figures and then evaluate \(\frac{0.021741 \times 1.2047}{0.023789}\)
0.8
0.9
1.1
1.2
Giải thích
\(\frac{0.021741 \times 1.2047}{0.023789}\) = \(\frac{0.022 \times 1.2}{0.024}\) (to 216)
= \(\frac{0.0264}{0.024}\)
= 1.1
= \(\frac{0.0264}{0.024}\)
= 1.1