Simplify Fully: (b^6 x b^2) / b^4

Using indices rules: y^a x y^b = y^(a+b), y^a / y^b = y^(a-b) Simplifying the numerator: b^6 x b^2 = b^(6+2) = b^8 Simplifying the whole fraction: b^8 / b^4 = b^(8-4) = b^4 Fully simplified answer is b^4.

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Answered by Claudia H. Maths tutor

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Solve 4(3x + 2) = 12 - 5x


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A right-angle triangle has sides AB, BC and CA with the right -angle between sides BC and CA. The angle between AB and BC is 24 degrees. The length of AB is 12m. How long is side BC?


Work out 1/12 + 3/6


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