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Evaluate the expression when a=1/4 and b=6 (questions 1-4)

Evaluate the expression when a=1/4 and b=6 (questions 1-4)-example-1
User Bhjghjh
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1. -8ab=-8(1/4)(6)=-2(6)=-12\\\\2. 16(1/4)^2 -4(6)=16(1/16)-4(6)=1-24=-23\\\\3. (5(6))/(32(1/4)^2)=(5(6))/(32(1/16))=(30)/(2)=15\\\\4. 12(1/4)+\left(6-(1)/(4)-4 \right)=3+(7)/(4)=4.75

User Coffee Boat
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