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Question (31)

QN0015497

Which decimal has 6 tenths and 4 hundredths?

(A) 0.64
(B) 6.4
(C) 0.604
(D) 6.04

Correct Answer: A

Explanation:

0.6 + 0.04 = 0.64.

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Question (32)

QN0015498

What is the value of 3 in 1.438?

(A) 3 tenths
(B) 3 hundredths
(C) 3 thousandths
(D) 3 ones

Correct Answer: B

Explanation:

3 is in the hundredths place.

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Question (33)

QN0015499

Which decimal is formed by 8 ones, 1 tenth and 9 hundredths?

(A) 8.19
(B) 8.91
(C) 81.9
(D) 8.109

Correct Answer: A

Explanation:

8 + 0.1 + 0.09 = 8.19.

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Question (34)

QN0015500

Express 0.75 as hundredths.

(A) 7 hundredths
(B) 75 hundredths
(C) 750 hundredths
(D) 705 hundredths

Correct Answer: B

Explanation:

0.75 = 75/100.

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Question (35)

QN0015501

India’s place value system made it easier to:

(A) Write and interpret decimal numbers
(B) Avoid calculations
(C) Use only Roman numerals
(D) Count without digits

Correct Answer: A

Explanation:

Place value is the foundation of the decimal system.

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Question (36)

QN0015502

Why are decimals useful in measurements?

(A) They provide greater precision
(B) They eliminate units
(C) They reduce quantities
(D) They replace whole numbers

Correct Answer: A

Explanation:

Decimals allow more accurate measurements.

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Question (37)

QN0015503

A scientist records a mass as 4.205 g. The digit 5 represents:

(A) 5 tenths g
(B) 5 hundredths g
(C) 5 thousandths g
(D) 5 grams

Correct Answer: C

Explanation:

5 is in the thousandths place.

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Question (38)

QN0015504

Which decimal is equal to 305 thousandths?

(A) 30.5
(B) 3.05
(C) 0.305
(D) 0.035

Correct Answer: C

Explanation:

305 thousandths = 305/1000.

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Question (39)

QN0015505

What is the expanded form of 9.081?

(A) 9 + 0.08 + 0.001
(B) 9 + 0.8 + 0.01
(C) 9 + 0.08 + 0.01
(D) 9 + 8 + 1

Correct Answer: A

Explanation:

Expand according to place values.

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Question (40)

QN0015506

Understanding the decimal system helps society because it enables:

(A) Accurate handling of money, science and measurements
(B) Elimination of fractions
(C) Avoidance of calculations
(D) Use of only whole numbers

Correct Answer: A

Explanation:

Decimals are essential in everyday calculations and measurements.

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Question (31)

Which decimal has 6 tenths and 4 hundredths?

Explanation:

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Question (32)

What is the value of 3 in 1.438?

Explanation:

Link:

Question (33)

Which decimal is formed by 8 ones, 1 tenth and 9 hundredths?

Explanation:

Link:

Question (34)

Express 0.75 as hundredths.

Explanation:

Link:

Question (35)

India’s place value system made it easier to:

Explanation:

Link:

Question (36)

Why are decimals useful in measurements?

Explanation:

Link:

Question (37)

A scientist records a mass as 4.205 g. The digit 5 represents:

Explanation:

Link:

Question (38)

Which decimal is equal to 305 thousandths?

Explanation:

Link:

Question (39)

What is the expanded form of 9.081?

Explanation:

Link:

Question (40)

Understanding the decimal system helps society because it enables:

Explanation:

Link:

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