Expression values

Let A = 5, B = 4.4, and C = 4.25. Find the value of each expression listed below.

A2 × (B - C)
B × (A - C)
B + C - A
A - B + C

Correct answer:

a =  3.75
b =  3.3
c =  3.65
d =  4.85

Step-by-step explanation:

A=5 B=4.4 C=4.25  a=A2⋅ (B−C)=52⋅ (4.4−4.25)=3.75
b=B⋅ (A−C)=4.4⋅ (5−4.25)=3.3
c=B+C−A=4.4+4.25−5=3.65
d=A−B+C=5−4.4+4.25=4.85

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