Answered

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Evaluate the following expression.18.9 x [(2 x 2.7) – 4.6] - 2 to the power of 2 =

Sagot :

Answer:

11.2

Explanation:

To perform the operation given, we use PEMDAS.

Parenthesis comes first; therefore,

[tex]18.9\lbrack5.4-4.6\rbrack-2^2[/tex]

Exponents come second:

[tex]18.9\lbrack5.4-4.6\rbrack-4[/tex]

parenthesis again

[tex]18.9\lbrack0.8\rbrack-4[/tex]

multiplication next

[tex]15.12-4[/tex]

and finally, subtraction

[tex]11.2[/tex]

which is our answer!

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