Answer: y^7 Step-by-step explanation: y^3 . y^5 . y^-2 . y = y^3 . y^5 . y^-2 . y^1 = y^( 3 + 5 – 2 + 1 ) = y^( 3 + 5 + 1 – 2 ) = y^( 9 – 2 ) = y^7 Reply

Answer:y^7

Step-by-step explanation:y^3 . y^5 . y^-2 . y

= y^3 . y^5 . y^-2 . y^1

= y^( 3 + 5 – 2 + 1 )

= y^( 3 + 5 + 1 – 2 )

= y^( 9 – 2 )

= y^7