QUESTION 1 How many significant figures are in the following number: 80008000 0.

Question

QUESTION 1

How many significant figures are in the following number:

80008000

0.5 points   

QUESTION 2

How many significant figures are in the following number:

11.0000

0.5 points   

QUESTION 3

How many significant figures are in the following number:

0.00003

0.5 points   

QUESTION 4

How many significant figures are in the following number:

800

0.5 points   

QUESTION 5

How many significant figures are in the following number:

0.00011

0.5 points   

QUESTION 6

How many significant figures are in the following number:

30000

0.5 points   

QUESTION 7

How many significant figures are in the following number:

3.0

0.5 points   

QUESTION 8

How many significant figures are in the following number:

30000.

0.5 points   

QUESTION 9

How many significant figures are in the following number:

110000

0.5 points   

QUESTION 10

How many significant figures are in the following number:

3.00003

0.5 points   

QUESTION 11

45211.30 written with 4 significant figures is:

45210

4521

45200

4520

45210.0000

0.5 points   

QUESTION 12

92,550,000.35 written with 2 significant figures is:

92,500,000.000

93

0.35

92

93,000,000

0.5 points   

QUESTION 13

79.87050 written with 2 significant figures is:

79.87

79.86

80.

79

80.00

79.00

0.5 points   

QUESTION 14

1520 written with 3 significant figures is:

152

1520

520

1520.000

0.00

0.5 points   

QUESTION 15

Using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain ONLY significant figures (no more and no less). Write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation).

7 × 1900

0.5 points   

QUESTION 16

Using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain ONLY significant figures (no more and no less). Write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation).

Using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain ONLY significant figures (no more and no less). Write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation).

9.99 × 1.11

0.5 points   

Using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain ONLY significant figures (no more and no less). Write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation).

0.5 points   

QUESTION 19

Using a calculator (or pen and paper, if you’d like) perform the following calculations and give the numerical answers which contain ONLY significant figures (no more and no less). Write the answers in long-form (for example, 55000 or 230 or 11, not in scientific notation).

45210

4521

45200

4520

45210.0000

Explanation / Answer

1. the no 80008000 is having 5 significant figure

2. 6 significant figure. The four zeros after decimal is also counted

3. only 1 significant figure

4. 800 has only 1 significant figure

5. 0.00011 has 2 significant figure

6. 30000 has 1 significant figure

7. 3.0 is having 2 significant figure

8. 30000 - 1 significant figure

9. 110000 - 2  significant figure

10. 3.00003 - 6 significant figure

11. 4521 is correct

12. 92 is correct as rounding the given no and converting it to asked significant figure will give 92

13. 80. is correct as it is having 2 significant figure whereas 80 is having only 1 and 80.00 consists of 4 significant figure

14. 1520 is correct

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