Jamb Mathematics Questions - Standard form
Question 1:
Evaluate \(\frac{2\sin 30 + 5\tan 60}{\sin 60}\), leaving your answer in surd form.
- A \(\frac{2\sqrt{3}}{3} + 10\)
- B \(\frac{3\sqrt{2} - 1}{5}\)
- C \(\frac{3\sqrt{2} + 1}{5}\)
- D \(\frac{2\sqrt{3}}{3} - 10\)
Question 2:
Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form
- A 3.3 x 10<sup style='font-size: smaller;'>-4</sup>
- B 3.3 x 10<sup style='font-size: smaller;'>-3</sup>
- C 3.3 x 10-<sup style='font-size: smaller;'>5</sup>
- D 3.3 x 10<sup style='font-size: smaller;'>-8</sup>
Question 3:
Evaluate (\(\sin\)45o + \(\sin\)3o ) in surd form
- A \(\frac{\sqrt{3}}{2\sqrt{2}}\)
- B √3 − \(\frac{1}{2}\)
- C \(\frac{1}{2}\)√2
- D 1 + \(\frac{\sqrt{2}}{2}\)
Question 4:
Simplify \(\frac{0.026 \times 0.36}{0.69}\). Leave your answer in standard form
- A 1.36 x 10<sup style='font-size: smaller;'>-4</sup>
- B 1.36 x 10<sup style='font-size: smaller;'>-3</sup>
- C 1.36 x 10<sup style='font-size: smaller;'>-1</sup>
- D 1.36 x 10<sup style='font-size: smaller;'>-2</sup>
Question 5:
Express the product of 0.00043 and 2000 in standard form.
- A 8.6 x 10<sup style='font-size: smaller;'>-3</sup>
- B 8.3 x 10<sup style='font-size: smaller;'>-2</sup>
- C 8.6 x 10<sup style='font-size: smaller;'>-1</sup>
- D 8.6 x 10