Sangeetha Pulapaka

STEP 1: Recall what are exponents and bases

STEP 2: Recall what are the rules of exponents

STEP 3: Simplify

Since the bases are the same which is variable y, the powers can be added

y^{2}.y^{5} = y^{2+5} = y^{7}

Skills to recall:

What are variables

How to add two numbers