a^7×a^4×a^-6×a^0
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a7×a4×a^-6×a0
a11×1×a-6
a^(11-6)
a^5
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Answer: a₅
Step-by-step explanation:
By multiplication law of exponents, you have product to two exponents to a common base is the base raised to the power of the sum of their exponents
mᵃ ₓ mᵇ = mᵃ⁺ᵇ
a⁷ ₓ a⁴ ₓ a⁻⁶ ₓ a⁰
= a ⁽⁷⁺⁴⁺⁽⁻⁶⁾⁺⁰⁾
= a⁵
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