2002
Mathematics
67ca00ce0c643c71d77dee1f
Evaluate: 0.21×0.072×0.00054/0.006×1.68×0.063
A.
0.01286
B.
0.01285
C.
0.1286
D.
0.1285
Correct Answer: 0.01286
Explanation
0.21×0.072×0.00054/0.006×1.68×0.063 = 9×10−10/7×10−8 = 1.2857 × 10-2 = 0.012857 ≊ 0.01286 (to 4 s.f)
0.21×0.072×0.00054/0.006×1.68×0.063 = 9×10−10/7×10−8 = 1.2857 × 10-2 = 0.012857 ≊ 0.01286 (to 4 s.f)THIS WEEK's
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