book
Maths Puzzle
Numerical Ability
Rewrite the following without an exponent:
(-2)^-2
Read Solution (Total 0)
book Other Question
Simplify and evaluate:
(x2y-4z0/3x6y-3)4
I am not sure if I worked this problem out right. Here it is:
(x2y-4z0/3x6y-3)4
x8 y16/12x24 y12
= y4 z 12x16
what is 5r(3s)+6r-2rs?