NOTE: Answers to all questions are given at the end of this exercise. Question No. 1: Use a calculator to evaluate question 1 to 7, giving your answers correct to 3 significant figures. NOTE: Answers to all questions are given at the end of this exercise. Question No. 8: The internal dimensions of an open concrete tank are 1.89m long, ...

## Exercise No. 4C

NOTE: Answers to all questions are given at the end of this exercise. Question No. 1: Round off the following: (a) 456g to the nearest 10g. (b) 722g to the nearest 100g. (c) 3.27cm to the nearest cm. (d) 123.452cm to 1 decimal place. (e) 18.2 to nearest whole number. (f) 31.256m to the nearest 10 m. (g) 12.35cm to the nearest 0.1 cm. (h) 4325 pupils to the nearest 100 ...

## Exercise No. 4B

NOTE: Answers to all questions are given at the end of this exercise. Question No. 1: Write the following correct to the nearest whole number. NOTE: Answers to all questions are given at the end of this exercise. Question No. 2: Write the following correct to 3 decimal places. NOTE: Answers to all questions are given at the end of this ...

## Exercise No. 4A

NOTE: Answers to all questions are given at the end of this exercise. Question No. 1: During a sale, one kilogram of fish was sold for $4.95. estimate how many kilograms of fish you could buy with $20. NOTE: Answers to all questions are given at the end of this exercise. Question No. 2: Without doing an exact ...