Quiz about Ordering and Comparing Real Numbers

Question 1

A repeating decimal (like 4.7777...) is what type of number?

Accepted Answer

Rational

Answer

Irrational

Question 2

A non-ending, non-repeating decimal is which type of number?

Accepted Answer

Irrational

Answer

Rational

Question 3

A decimal that stops (like 2.48) is which type of number?

Accepted Answer

Rational

Answer

Irrational

Question 4

Classify this number:  6.7

Accepted Answer

real      rational

Answer

real

Answer

real      rational        integer

Answer

real   rational   integer   whole

Question 5

Classify this number:  2

Accepted Answer

real   rational   integer   whole

Answer

real

Answer

real      rational

Answer

real      rational        integer

Question 6

Classify this number:  -12

Accepted Answer

real         rational        integer

Answer

real

Answer

real      rational

Answer

real       irrational

Question 7

Between which two whole numbers is the square root of 277?

Accepted Answer

16 and 17

Answer

15 and 16

Answer

18 and 19

Answer

14 and 15

Question 8

Order from least to greatest:
[10, -5, 3, 16, -1, 0, 1]

Accepted Answer

-5, -1, 0, 1, 3, 10, 16

Answer

-1, -5, 0, 1, 3, 10, 16

Answer

16, 10, 3, 1, 0, -1, -5

Answer

0, -1, 1, 3, -5, 10, 16

Question 9

How would you change 45% to a decimal?

Accepted Answer

Move the decimal 2 places to the left

Answer

Move the decimal 2 places to the right

Answer

Move the decimal 3 places to the left

Answer

Move the decimal 3 places to the right

Question 10

2% as a decimal:

Accepted Answer

0.02

Answer

0.2

Answer

2

Answer

20

Question 11

120% as a decimal:

Accepted Answer

1.2

Answer

12

Answer

0.12

Answer

120

Question 12

200% as a decimal:

Accepted Answer

2

Answer

20

Answer

200

Answer

0.2

Question 13

18% as a decimal:

Accepted Answer

0.18

Answer

18

Answer

1.8

Answer

0.81

Question 14

Which of the following is correct scientific notation?

Accepted Answer

2.035 x10⁴

Answer

20.35 x 10⁴

Answer

.2035 x 10⁴

Answer

2035 4

Question 15

How do you write
8.317 x 10⁶in standard form?

Accepted Answer

8, 317, 000

Answer

8, 371, 000

Answer

83, 170, 000

Answer

837, 100

Question 16

How would you write 0.0005 in scientific notation?

Accepted Answer

5 x 10^-⁴

Answer

50 x 105

Answer

5 x 10-3

Answer

.5 x 103

Question 17

Express the following in standard notation:

8.025 x 10^-8

Accepted Answer

.00000008025

Answer

.000000008025

Answer

802,500,000,000

Answer

80,250,000,000

Question 18

Convert to standard notation:
2.4 x 10^-3

Accepted Answer

0.0024

Answer

2400

Answer

0.24

Answer

0.024

Question 19

How would you write 564,000,000 in scientific notation?

Accepted Answer

5.64 x 10⁸

Answer

5.64 x 10^-7

Answer

5.64 x 10⁶

Answer

56.4 x 10⁷

Question 20

Express the following in standard notation:
8.025 x 10^-⁸

Accepted Answer

.00000008025

Answer

.000000008025

Answer

802,500,000,000

Answer

80,250,000,000

Question 21

Express the following in scientific notation:
.000457

Accepted Answer

4.57 x 10^-4

Answer

457 x 10⁶

Answer

457 x 10^-6

Answer

4.57 x10⁴

Ordering and Comparing Real Numbers

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