Evaluate:
(7x0)2(7x^0)^2(7x0)2
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According to property of exponents,
a0=1a^0 = 1a0=1
(7x0)2=(7×1)2=(7)2=(7×7)=49(7x^0)^2\\[1em] = (7 \times 1)^2\\[1em] = (7)^2\\[1em] = (7\times 7)\\[1em] = 49(7x0)2=(7×1)2=(7)2=(7×7)=49
(7x0)2=49(7x^0)^2 = 49(7x0)2=49
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(4x)0(4x)^0(4x)0
[(103)0]5[(10^3)^0]^5[(103)0]5
90+9−1−9−2+912−9−129^0 + 9^{-1} - 9^{-2} + 9^{\dfrac{1}{2}} - 9^{-\dfrac{1}{2}}90+9−1−9−2+921−9−21
Simplify:
a5b2a2b−3\dfrac{a^5b^2}{a^2b^{-3}}a2b−3a5b2
