Search SchoolNGR

Sunday, 05 April 2026
Register . Login

Find the product of 0.0409 and 0.0021 leaving your answer in the standard form

Find the product of 0.0409 and 0.0021 leaving your answer in the standard form
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 8.6 x 10-6
  • B 8.6 x 105
  • C 8.6 x 10-4
  • D 8.6 x 105
Correct Answer: Option B
Explanation:
0.0409 x 0.0021 = 409 x 10-4 x 21 x 10-4
= 409 x 21 x 10-4-4
= 8589 x 10-8
= 8.589 x 103 x 10-8
= 8.6 x 103 - 8
= 8.6 x 10-5

Share question on: