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Sagot :

Answer:

B. 20

Step-by-step explanation:

20 - 2 * 8 + 4²

Evaluate this using PEMDAS.

1. Parenthesis

There are none so this can be skipped.

2. Exponents

Evaluate the exponents in the expression.

20 - 2 * 8 + 16

3. Multiplication/Division

Evaluate the multiplication in the expression.

20 - 16 + 16

Addition/Subtraction

Subtract 16 from 20.

4 + 16

Add 4 and 16.

20.