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Subtraction of Integers

What is the v...

Question

What is the value of the expression 8t + 5 when the value of t is 2?

A

16

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B

21

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C

5

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D

8t

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Solution

The correct options are
B 21
C 5
The given expression is 8t + 5
When t = 2,
8t + 5 = 8(2) + 5 = 16 +5 = 21

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, then the value of

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\frac{25 \times t^{- 4}}{5^{- 3} \times 10 \times t^{- 8}} (t \neq 0)

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