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Round the following numbers to 2 significant digits. A(a) 3472, (b) 84.16, (c) 2.55 and (d) 28.5 and (d) 28.5.

Round the following numbers to 2 significant digits. A(a) 3472, (b) 84.16, (c) 2.55 and (d) 28.5 and (d) 28.5.

Grade:11

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
9 years ago
Sol. a) In the value 3472, after the digit 4, 7 is present. Its value is greater than 5. So, the next two digits are neglected and the value of 4 is increased by 1. ∴ value becomes 3500 b) value = 84 c) 2.6 d) value is 28.

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