What is the simplified form of the expression?

2b^-6•b^12

2b^6

To simplify the expression 2b^-6 • b^12, we can apply the exponent rules. The rule states that when multiplying variables with the same base, we add the exponents. Therefore, we have:

2b^-6 • b^12 = 2 • b^(-6 + 12)

Simplifying the exponents, we get:

2 • b^6