Write (9^8)/((9^5)^2) in its simplest form
First expand the denominator 98/(95)2 = 98/910. Then simplify using power laws to give 98/910=9-2. This can be written as 1/(92) or 1/81 in its simplest form.
JD
Related Maths GCSE answers
All answers ▸Rearrange the formula: m = 2ab/4c+b to make b the subject
A game consists of 5 cups turned upside down, under one of the cups is a prize. 5 friend's pick a cup in turn and lifts it up, if they get the prize, they win , but if not, the cup is removed and the next friend picks. What position is it best to pick?
The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.
Factorise 5a – 3a^2