Find the value of 70-80 -90 - 70-80 -90

We know that anything with power of zero is 1. So, nbsp; 70=180=190=1 Therefore, (70+80 nbsp;+90) nbsp; nbsp;(70×80 nbsp;×90) can be written as (1 + ...

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Standard VIII

Mathematics

Powers and Exponents

Find the valu...

Question

Find the value of
$(7^{0} + 8^{0} + 9^{0}) - (7^{0} \times 8^{0} \times 9^{0})$

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480

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-480

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Solution

The correct option is D 2
We know that anything with power of zero is 1.
So,
$7^{0} = 1 8^{0} = 1 9^{0} = 1$

Therefore,
$(7^{0} + 8^{0} + 9^{0}) - (7^{0} \times 8^{0} \times 9^{0})$
can be written as
(1 + 1 + 1) - (1 × 1 × 1) = 3 - 1 = 2

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(7^{0} + 8^{0} + 9^{0}) - (7^{0} \times 8^{0} \times 9^{0})

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Q. The marks obtained by 40 students of a class are given below: 80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90, 50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60 and 60.
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Find the value of (70+80 +90) − (70×80 ×90)

The correct option is D 2We know that anything with power of zero is 1. So, 70=180=190=1 Therefore, (70+80 +90) − (70×80 ×90) can be written as (1 + 1 + 1) - (1 × 1 × 1) = 3 - 1 = 2

Find the value of
$(7^{0} + 8^{0} + 9^{0}) - (7^{0} \times 8^{0} \times 9^{0})$

The correct option is D 2
We know that anything with power of zero is 1.
So,
$7^{0} = 1 8^{0} = 1 9^{0} = 1$

Therefore,
$(7^{0} + 8^{0} + 9^{0}) - (7^{0} \times 8^{0} \times 9^{0})$
can be written as
(1 + 1 + 1) - (1 × 1 × 1) = 3 - 1 = 2