Q32 of 60 Page 29

Round the following numbers to 2 significant digits.

A. 3472 B. 8416


C. 255 and D. 285


(a) In 3472, 7 comes after the digit 4. Its value is greater than 5. So, the next two digits are neglected and 4 is increased by one. The value becomes 3500.

(b) 84


(c) 2.6


(d) 29


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