Write 8^2(4^2 / 2^7) in the form 2^x

We know that 82 = (23)2 = 26 and 42 = (22)2 = 24 So we can write the original expression as 26 (24/27) Then using indices laws we get 26(2-3) = 23

CC

Related Maths GCSE answers

All answers ▸

How do you solve linear inequalities such as: 5x – 2 > 3x + 11


The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5. Work out the area of the triangle.


5x-7 = 3x + 3, solve x


Expand and simplify 3(2x + 5) – 2(x – 4)