Jamb Mathematics Questions - Standard form
Question 6:
Express 37.05 x 0.0042 in standard form
- A 15.561 x 10<sup style='font-size: smaller;'>2</sup>
- B 1.5561 x 10<sup style='font-size: smaller;'>-4</sup>
- C 1.556 x 10<sup style='font-size: smaller;'>-1</sup>
- D 1.5561 x 10<sup style='font-size: smaller;'>1</sup>
- E 1.55 x 10<sup style='font-size: smaller;'>1</sup>
Question 7:
The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y.
- A (12, 6)
- B (23, 17)
- C (17, 11)
- D (18, 12)
Question 8:
The thickness of an 800 pages of book is 18mm. Calculate the thickness of one leaf of the book giving your answer in meters and in standard form
- A 2.25 x 10<sup style='font-size: smaller;'>-4</sup>m
- B 50 x 10<sup style='font-size: smaller;'>-4</sup>m
- C 2.25 x 10<sup style='font-size: smaller;'>-5</sup>m
- D 4.50 x 10<sup style='font-size: smaller;'>-5</sup>m
Question 9:
Simplify and express in standard form \(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)
- A 8.8 x 10<sup style='font-size: smaller;'>-1</sup>
- B 8.8 x 10<sup style='font-size: smaller;'>-2</sup>
- C 8.8 x 10<sup style='font-size: smaller;'>-3</sup>
- D 8.8 x 10<sup style='font-size: smaller;'>3</sup>
Question 10:
Express the product of 0.0014 and 0.011 in standard form
- A 1.54 x 10<sup style='font-size: smaller;'>-2</sup>
- B 1.54 x 10<sup style='font-size: smaller;'>-3</sup>
- C 1.54 x 10<sup style='font-size: smaller;'>-4</sup>
- D 1.54 x 10<sup style='font-size: smaller;'>-5</sup>