1.156 In Powers Of 10 Notation

Question: The number 0.0078 has how many significant figures?

Answer: 2

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Question: How many significant figures does 1.362 + 25.2 have?

Answer: 3

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Question: Accuracy represents

Answer: how close a measurement is to the true value

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Question: Choose the correct representation of number 1.156 in “powers of 10” notation.

1.156 × 100

11.56 × 101

1156 × 10-2

1.156 × 101

Answer: A

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Question: Choose the correct representation of number 21.8 in “powers of 10” notation.

2.18 × 101

2.18 × 102

218 × 10-3

218 × 10-2

Answer: A

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Question: Choose the correct representation of number 0.0068 in “powers of 10” notation.

68 × 10-2

6.8 × 10-4

6.8 × 10-3

68 × 10-3

Answer: C

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Question: Choose the correct representation of number 328.65 in “powers of 10” notation.

3.2865 × 102

3.2865 × 103

32.865 × 10-1

32865 × 10-3

Answer: A

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Question: Choose the correct representation of number 0.219 in “powers of 10” notation.

219 × 10-2

2.19 × 101

21.9 × 102

2.19 × 10-1

Answer: D

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Question: Choose the correct representation of number 444 in “powers of 10” notation.

4.44 × 101

44.4 × 102

4.44 × 102

0.444 × 101

Answer: C

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Question: Write out the number 8.49 × 104 in full with the correct number of zeros.

Answer: 8.49 × 104 = 84900

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Question: Write out 9.5 × 103 in full with the correct number of zeros.

Answer: 9.5 × 103 = 9500

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Question: Write out the number 6.8 × 10-1 in full with the correct number of zeros.

Answer: 6.8 × 10-1 = 0.68

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Question: Write out the number 4.66 × 102 in full with the correct number of zeros

Answer: 4.66 × 102 = 466

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Question: Write out the number 3.52 × 10-5 in full with the correct number of zeros.

Answer: 3.52 × 10-5 = 0.0000352

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