Question

Which expression is equivalent to

(84 +16)?

1. 4(42+4)

2. 2(42+4)

3. 2(21+8)

4. 4(21+4)

Answer 1

Answer is option 4) 4(21+4)

Explanation:

We know that 84+16 = 100

And from the option 4. we know that

4(21+4) = 4×25 = 100

So the equation 84+16 is equivalent to 4(21+4)

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