Convert 27₁₀ to another number in base three

3 girls share a number of apples in the ration 5:3:2. If the highest share is 40 apples, find the smallest share

Evaluate \(\frac{1.25 \times 0.025}{0.05}\), correct to 1 decimal place

Calculate the time taken for N3000 to earn N600 if invested at 8% simple interest

Simplify \(\frac{3^{-5n}}{9^{1-n}} \times 27^{n + 1}\)