Stepwise
Start practisingPractise

JAMB 2001 · UME · Q3

Evaluate 21.05347−1.6324×0.4321.05347 - 1.6324 \times 0.43, to 3 decimal places.

Worked solution (try it first)
  1. Multiply before subtracting: 1.6324×0.43=0.7019321.6324 \times 0.43 = 0.701932.
  2. Subtract: 21.05347−0.701932=20.35153821.05347 - 0.701932 = 20.351538.
  3. To 3 decimal places, the fourth decimal is 5, so round up: 20.352, option B.

Report a problem with this question