The 6th term of a G.P is \(\frac{-2}{27}\) and its first term is 18. What is the common ratio?
Convert the decimal number 89 to a binary number
Simplify: \((2\frac{1}{6} - 1\frac{2}{3}) \div 2\frac{2}{3}\).
Simplify 56x\(^{-4}\) \(\div\) 14x\(^{-8}\)
