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6 December, 21:05

Significant Figures/Order of Operation Workshop

I.

How many significant figures are in each of the following numbers?

1) 5.40

7) 1.2 x 10

13) 75 grams

2) 210

8) 0.00120

14) 0.0005

3) 801.5

9) 0.0102

15) I m = 10 km

4) 1,000

10) 9.010 x 10

16) 4 monkeys

5) 101.0100

11) 2,370.0

17) 4300

6) 23

12) 340

18) 546010

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Answers (1)
  1. 6 December, 23:27
    0
    Significant figures are as follows:

    zero before (0.12 = 3 sig fig)

    zero trapped (1.02 = 3 sig figs, or 0.012 = 3 sig figs)

    zero on the end for whole number (120 = 2 sig figs)

    zero on the end for decimal (1.20 = 3 sig figs)

    Here are the first couple of answers:

    1. 3

    7. 2

    13. 2

    2. 2

    8. 4
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