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Question (1)

QN0018480

Which of the following is equal to 10³?

(A) 100
(B) 1000
(C) 10000
(D) 100000

Correct Answer: B

Explanation:

10³ = 1000.

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Question (2)

QN0018481

What is the value of 10⁵?

(A) 10,000
(B) 1,00,000
(C) 1,000
(D) 10,00,000

Correct Answer: B

Explanation:

10⁵ = 100000.

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Question (3)

QN0018482

How many zeros are there in 10⁷?

(A) 5
(B) 6
(C) 7
(D) 8

Correct Answer: C

Explanation:

10⁷ contains 7 zeros.

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Question (4)

QN0018483

Which expression represents one thousand?

(A) 10²
(B) 10³
(C) 10⁴
(D) 10⁵

Correct Answer: B

Explanation:

One thousand = 1000 = 10³.

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Question (5)

QN0018484

What is the value of 10⁰?

(A) 0
(B) 10
(C) 1
(D) Undefined

Correct Answer: C

Explanation:

Any non-zero number raised to 0 equals 1.

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Question (6)

QN0018485

Which statement is correct for powers of 10?

(A) 10ⁿ has n−1 zeros
(B) 10ⁿ has n zeros
(C) 10ⁿ has n+1 zeros
(D) 10ⁿ has 2n zeros

Correct Answer: B

Explanation:

10ⁿ contains n zeros.

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Question (7)

QN0018486

What is the value of 10⁻¹?

(A) 10
(B) 0.1
(C) 0.01
(D) 100

Correct Answer: B

Explanation:

10⁻¹ = 1/10 = 0.1.

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Question (8)

QN0018487

Which decimal is equal to 10⁻³?

(A) 0.001
(B) 0.01
(C) 0.0001
(D) 0.1

Correct Answer: A

Explanation:

10⁻³ = 1/1000 = 0.001.

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Question (9)

QN0018488

What is the value of 10⁴ × 10²?

(A) 10⁶
(B) 10⁸
(C) 10²
(D) 10⁴

Correct Answer: A

Explanation:

Add exponents: 4 + 2 = 6.

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Question (10)

QN0018489

Simplify 10⁹ ÷ 10⁴.

(A) 10¹³
(B) 10⁵
(C) 10⁻⁵
(D) 10⁴

Correct Answer: B

Explanation:

Subtract exponents: 9 − 4 = 5.

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