Level 63
Level 65

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1.20 x 10³

Round off the following number to three significant digits 120.000

5.46

Round off the following number to three significant digits 5.457

0.000877

Round off the following number to three significant digits 0.0008769

8.76 x 10⁵

Round off the following number to three significant digits 876,000

4.54

Round off the following number to three significant digits 4.53619

330 or 3.3 x 10²

Perform the following operations giving the proper number of significant figures in the answer 23.4 x 14

11.3

Perform the following operations giving the proper number of significant figures in the answer 7.895 + 3.4

0.139

Perform the following operations giving the proper number of significant figures in the answer 0.945 x 1.47

0.23

Perform the following operations giving the proper number of significant figures in the answer 7.895/34

400

Perform the following operations giving the proper number of significant figures in the answer 0.2/0.0005

4.7

Perform the following operations giving the proper number of significant figures in the answer (8.71 x 0.0301)/0.056

6 x 10³

Perform the following operations giving the proper number of significant figures in the answer (4 x 972) + (76.4 x 29.3) - (12 x 7)

64

Perform the following operations giving the proper number of significant figures in the answer 75.0006 - 3.42 −8

59.8

Perform the following operations giving the proper number of significant figures in the answer 76.62 + 23.245 −40.1

84.3

Perform the following operations giving the proper number of significant figures in the answer 84.3 - 0.009