Find the area, to the nearest cm\(^2\), of the triangle whose sides are in the ratio 2 : 3 : 4 and whose perimeter is 180 cm.

Find the compound interest (CI) on ₦15,700 for 2 years at 8% per annum compounded annually.

Find the volume of the cylinder above
[Take \(\pi= ^{22}/_7\)]

The third term of an A.P is 6 and the fifth term is 12. Find the sum of its first twelve terms

Express 16.54 x 10\(^{-5}\) - 6.76 x 10\(^{-8}\) + 0.23 x 10\(^{-6}\) in standard form