150
explain:
100/28*42=x which turns into x=150
The side of the square is 4 cm since 4x4= 16
6)x-7+10 7)3+x+1 8)8x-16 9)x/2-9
The answer to this question would be 4
Answer:

Step-by-step explanation:
Consider an element 
We know that 
Here, m and n are exponents and a is a base. Exponent refers to the no. of times a term is multiplied by itself. Another word for exponents is powers.
Other Properties of exponents:

Here, we are required to divide
by
.
Consider 
We will solve
separately.
Here,

So, 