Standard form - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 2018

\(\frac{0.00256 \times 0.0064}{0.025 \times 0.08}\)

A. 8.8 x 10\(^{-1}\)
B. 8.8 x 10\(^{-2}\)
C. 8.8 x 10\(^{-3}\)
D. 8.8 x 10\(^{3}\)

Question 2:

• JAMB 2017

Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form

A. 3.3 x 10^-4
B. 3.3 x 10^-3
C. 3.3 x 10-⁵
D. 3.3 x 10^-8

Question 3:

• JAMB 2016

Simplify \(\frac{0.026 \times 0.36}{0.69}\). Leave your answer in standard form

A. 1.36 x 10^-4
B. 1.36 x 10^-3
C. 1.36 x 10^-1
D. 1.36 x 10^-2

Question 4:

• JAMB 2016

Evaluate \(\frac{0.8 \times 0.43 \times 0.031}{0.05 \times 0.72 \times 0.021}\). Correct to four significant figures.

A. 14.09
B. 14.1
C. 14.12
D. 14.11

Question 5:

• JAMB 2016

Evaluate \(\frac{12.02 \times 20.06}{26.04 \times 60.06}\), correct to three significant figures.

A. 0.157
B. 0.154
C. 0.155
D. 0.158