0.0014
0.001448
0.0022
0.002172
Correct answer is D
first work out the expression and then correct the answer to 4 s.f = 241.34..............(A)
(3 x 10-3)2............(B)
= 32x2
= 1103 x 1103
(Note that x2 = 1x3)
= 24.34 x 32 x 1106
= 2172.06106
= 0.00217206
= 0.002172(4 s.f)
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