Answer:
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)
HAVE A NICE DAY!
THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.