6^2+7^2
Let's evaluate: 62 + 72
ⓘ Powers are computed before multiplications, additions and subtractions. An integer power is a repeated product: 62 = 6×6 = 36, 72 = 7×7 = 49
36 + 49
ⓘ Start from 36 and move forward 49 on the number line: 36 + 49 = 85
▶Result:   85