Round off each number to the indicated number of significant

Round off each number to the indicated number of significant figures (sf).

Solution

Ans(a):

233.170 (to 4 sf)

answer will be 233.1

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Ans(b):

0.00844 (to 2 sf)

answer will be 0.0084

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Ans(c):

121000 (to 1 sf)

answer will be 100000