Question

Which set of figures will be obtained after rounding upto three significant figures 1.386, 4.334.2.808?

Answer 1

EXPLANATION:

To round up a given number, ignore the last digit as such if the digit next to it is less than 5. Then increase it by 1, if the next digit is greater than 5.

To round up a given number, ignore the last digit as such if the digit next to it is less than 5. Then increase it by 1, if the next digit is greater than 5.(i) 1.386

1.386{ since next digit (6) is greater than 5 }

1.39{since next digit (9) is greater than 5 }

1.40{since next digit (0) is less than 5}

(ii) 4.334

4.334{since next digit (4) is less than 5}

4.34{since next digit (4) is less tha 5}

4.4 {since next digit (1) is less than 5}

(iii) 2.808

2.808{ since next digit (8) is greater than 5}

2.80{ since next digit (0) is less than 5}

so

Answer may be 1.40,4.4,2.80