Sangeetha Pulapaka
0

STEP 1: Recall what are exponents and bases

https://www.qalaxia.com/viewDiscussion?messageId=5cdad642f32dc9584bdccefe

STEP 2: Recall what are the rules of exponents

https://www.qalaxia.com/viewDiscussion?messageId=5cdad460f32dc9584bdccec7

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

https://virtualnerd.com/act-math/algebra/evaluating-expressions/variables-definition

How to add two numbers

https://www.aaamath.com/k7c_adx1.htm