Expression 8

Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2

Correct answer:

a =  11
b =  3

Step-by-step explanation:

a=5 (3+4 (2.83))=11
b=5 (84)/42=3



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16+(-5-(-3))2

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