Find the value of 2 + 2 3^2

The value is 2 + 2 9 = 2 + 18 = 20

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South African Mathematics Olympiad Second Round

South Africa algebra

Problem

Find the value of

2 + 2 \times 3^{2}

Solution

The value is

2 + 2 \times 9 = 2 + 18 = 20

Final answer

Techniques

Integers