Which of the following is equal to 1-A- 20 - -20 B- 30 - 20C- 10 - 20 - 30D- 101 - 10 -1-

Answer: Option C We know that any integer raised to the power 0 is always 1. nbsp; nbsp; nbsp; nbsp; nbsp; nbsp;So, 2^0 + ( 2)^0 = 1 + 1 = 2 ...

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Standard VII

Mathematics

Expressing Numbers as Exponents

Which of the ...

Question

Which of the following is equal to 1?

A: $2^{0} + (- 2)^{0}$

B: $3^{0} - 2^{0}$

C: $1^{0} \times 2^{0} \times 3^{0}$

D: $10^{1} \div 1^{0}$

$[1]$

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Solution

Answer: Option C

We know that any integer raised to the power $0$ is always $1$ .
So, $2^{0} + (- 2)^{0} = 1 + 1 = 2$
$3^{0} - 2^{0} = 1 - 1 = 0$
$1^{0} \times 2^{0} \times 3^{0} = 1 \times 1 \times 1 = 1$
$10^{1} \div 1^{0} = 10 \div 1 = 10$

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Choose the correct answer in each of the following questions:
In the class intervals 10-20, 20-30, the number 20 is included in
(a) 10-20
(b) 20-30
(c) in each of 10-20 and 20-30
(d) in none of 10-20 and 20-30

Q. In the class intervals 10−20, 20−30, the number 20 is included in
(a) 10−20
(b) 20−30
(c) in each of 10−20 and 20−30
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Question 7

The value of $\frac{10^{22} + 10^{20}}{10^{20}}$ is
(a) 10
(b) $10^{42}$
(c) 101
(d) $10^{22}$

Q. Look at the table given below:

Marks	0−10	10−20	20−30	30−40
No. of students	8	11	7	3

The true upper limit of the class 10−20 is
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(b) 20
(c) 20.5
(d) none of these

Minimum z = x + 2y subject to x ≤ 20, y ≥ 10, x ≥ 0, y ≥ 0

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Which of the following is equal to 1? A: 20+(−2)0 B: 30−20 C: 10×20×30 D: 101÷10 [1]

Answer: Option C We know that any integer raised to the power 0 is always 1. So, 20+(−2)0=1+1=2 30−20=1−1=0 10×20×30=1×1×1=1 101÷10=10÷1=10

Which of the following is equal to 1?

A: $2^{0} + (- 2)^{0}$

B: $3^{0} - 2^{0}$

C: $1^{0} \times 2^{0} \times 3^{0}$

D: $10^{1} \div 1^{0}$

$[1]$

Answer: Option C

We know that any integer raised to the power $0$ is always $1$ .
So, $2^{0} + (- 2)^{0} = 1 + 1 = 2$
$3^{0} - 2^{0} = 1 - 1 = 0$
$1^{0} \times 2^{0} \times 3^{0} = 1 \times 1 \times 1 = 1$
$10^{1} \div 1^{0} = 10 \div 1 = 10$