In which expression should the exponents be multiplied? a. 2 to the 9th over 2 to the 7th b. (6 power of 10)power of −7 c. one half to the 3rd times one half to the 5th d. 52 ⋅ 54

A. 2^9 / 2^7not this one...because when dividing by the same base, u keep the base and subtract the exponents.

B. (6^10)^-7...this one u multiply...6^(10 * -7) = 6^-70

C. 1/2^3 * 1/2^5...not this one...because when multiplying with the same base, u keep the base and add the exponents

D. 5^2 * 5^4...not this one...because when multiplying by the same base, u keep the base and add the exponents

so ur answer is B