Sangeetha Pulapaka
0

STEP 1: Recall what are exponents

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

STEP 2: Recall the rules of exponents

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

STEP 3: Recall how to multiply exponents

https://www.qalaxia.com/viewDiscussion?messageId=5d4bb2c587c8e81de00fbb81

STEP 4: Evaluate 2^{2}.8^{2}.4^{-2}.2^{-1}

= \frac{2^{2}8^{2}}{4^{2}2^{1}}


= \frac{4.64}{16.2}


= \frac{256}{32}

= 8


Further skills to recall:

What are negative exponents

https://www.mathsisfun.com/algebra/negative-exponents.html