JAMB - Mathematics (1995 - No. 5)
Express the product of 0.0014 and 0.011 in standard form
1.54 x 10-2
1.54 x 10-3
1.54 x 10-4
1.54 x 10-5
คำอธิบาย
\(0.0014 = 1.4 \times 10^{-3}\)
\(0.011 = 1.1 \times 10^{-2}\)
\(\therefore 0.0014 \times 0.011 = 1.4 \times 10^{-3} \times 1.1 \times 10^{-2}\)
= \(1.54 \times 10^{-5}\)