# Question: Express the following calculations using the proper number of significant

Express the following calculations using the proper number of significant figures:

(a) 12.634 + 2.1,

(b) 13.5 – 2.134,

(c) π(0.25 m)2,

(d) √2.37/3.5

(a) 12.634 + 2.1,

(b) 13.5 – 2.134,

(c) π(0.25 m)2,

(d) √2.37/3.5

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