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Question (21)

QN0018660

In a place value system, powers of the base determine:

(A) Digit shapes
(B) Place values
(C) Number names
(D) Symbols used

Correct Answer: B

Explanation:

Place values are powers of the base.

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Question (22)

QN0018661

Which decimal number is represented by 2×10³ + 4×10² + 1×10¹ + 6×10⁰?

(A) 2416
(B) 2146
(C) 2461
(D) 4216

Correct Answer: A

Explanation:

2000 + 400 + 10 + 6 = 2416.

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Question (23)

QN0018662

The digit 9 in 9,000,000 has a place value of:

(A) 9000
(B) 90000
(C) 900000
(D) 9000000

Correct Answer: D

Explanation:

9 is in the millions place.

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Question (24)

QN0018663

Which of the following is the expanded form of 30506?

(A) 3×10⁴ + 5×10² + 6
(B) 3×10⁴ + 0×10³ + 5×10² + 0×10¹ + 6
(C) 3×10⁴ + 506
(D) 30×10³ + 506

Correct Answer: B

Explanation:

Include all place values.

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Question (25)

QN0018664

In 64,218, which digit is in the hundreds place?

(A) 4
(B) 2
(C) 1
(D) 8

Correct Answer: B

Explanation:

Hundreds digit is 2.

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Question (26)

QN0018665

Which number corresponds to 6×10⁵ + 2×10⁴ + 7×10² + 4×10⁰?

(A) 620704
(B) 627004
(C) 620074
(D) 602704

Correct Answer: A

Explanation:

600000 + 20000 + 700 + 4 = 620704.

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Question (27)

QN0018666

The place value of 4 in 54,321 is:

(A) 4
(B) 40
(C) 4000
(D) 40000

Correct Answer: C

Explanation:

4 is in the thousands place.

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Question (28)

QN0018667

Which number has the digit 8 in the tens place?

(A) 4825
(B) 4285
(C) 4258
(D) 8452

Correct Answer: B

Explanation:

Tens digit is 8.

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Question (29)

QN0018668

What is the expanded form of 81,204?

(A) 8×10⁴ + 1×10³ + 2×10² + 4
(B) 8×10⁴ + 1×10³ + 2×10² + 0×10¹ + 4
(C) 81×10³ + 204
(D) 8×10⁴ + 1204

Correct Answer: B

Explanation:

Tens place contains zero.

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Question (30)

QN0018669

Which digit has the smallest place value in 9,876?

(A) 9
(B) 8
(C) 7
(D) 6

Correct Answer: D

Explanation:

Ones place has the smallest place value.

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Question (21)

In a place value system, powers of the base determine:

Explanation:

Link:

Question (22)

Which decimal number is represented by 2×10³ + 4×10² + 1×10¹ + 6×10⁰?

Explanation:

Link:

Question (23)

The digit 9 in 9,000,000 has a place value of:

Explanation:

Link:

Question (24)

Which of the following is the expanded form of 30506?

Explanation:

Link:

Question (25)

In 64,218, which digit is in the hundreds place?

Explanation:

Link:

Question (26)

Which number corresponds to 6×10⁵ + 2×10⁴ + 7×10² + 4×10⁰?

Explanation:

Link:

Question (27)

The place value of 4 in 54,321 is:

Explanation:

Link:

Question (28)

Which number has the digit 8 in the tens place?

Explanation:

Link:

Question (29)

What is the expanded form of 81,204?

Explanation:

Link:

Question (30)

Which digit has the smallest place value in 9,876?

Explanation:

Link:

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