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Question (21)

QN009329

Which statement is true for terminating decimals?

(A) They continue forever.
(B) They always repeat.
(C) They end after finite digits.
(D) They are always irrational.

Correct Answer: C

Explanation:

Terminating decimals stop after finite places.

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Question (22)

QN009330

Convert 13/25 into decimal form.

(A) 0.13
(B) 0.52
(C) 5.2
(D) 1.325

Correct Answer: B

Explanation:

13 ÷ 25 = 0.52

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Question (23)

QN009331

Which decimal expansion represents a rational number?

(A) 0.565656…
(B) 0.123456789101112…
(C) 0.010010001…
(D) √5

Correct Answer: A

Explanation:

Repeating decimals are rational.

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Question (24)

QN009332

The decimal expansion of 2/11 is:

(A) 0.22
(B) 0.202020…
(C) 0.222…
(D) 2.11

Correct Answer: B

Explanation:

2 ÷ 11 = 0.202020…

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Question (25)

QN009333

What type of decimal is 0.45454545…?

(A) Terminating
(B) Non-terminating repeating
(C) Non-repeating
(D) Integer

Correct Answer: B

Explanation:

The block 45 repeats continuously.

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Question (26)

QN009334

Which decimal is closest to 1/3?

(A) 0.13
(B) 0.303
(C) 0.333…
(D) 0.666…

Correct Answer: C

Explanation:

1/3 = 0.333…

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Question (27)

QN009335

Which fraction produces the repeating decimal 0.777…?

(A) 7/100
(B) 7/9
(C) 7/10
(D) 77/100

Correct Answer: B

Explanation:

7 ÷ 9 = 0.777…

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Question (28)

QN009336

Convert 21/50 into decimal form.

(A) 0.042
(B) 4.2
(C) 0.42
(D) 2.1

Correct Answer: C

Explanation:

21 ÷ 50 = 0.42

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Question (29)

QN009337

Which of the following decimals has a repeating block of three digits?

(A) 0.4545…
(B) 0.123123123…
(C) 0.7777…
(D) 0.888…

Correct Answer: B

Explanation:

The repeating block is 123.

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