12²/1/2

To solve the expression 12²/1/2, we need to follow the order of operations—parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

First, let's simplify the exponent: 12² = 144.

Now let's divide 144 by 1/2. Remember that dividing by a fraction is the same as multiplying by its reciprocal. So, we can rewrite the expression as 144 * 2.

Multiplying, we get: 144 * 2 = 288.

Therefore, 12²/1/2 equals 288.