Please answer these Further maths questions if you can. 1. In the olden days Mention...

Please answer these Further maths questions if you can.
1. In the olden days Mention Five means of calculating Devices.
2. In the modern time (Technology) mention Five means of calculating
Devices.
3. Draw abacus to represent each of the following numbers (a) 3403 (b) 1076
(c )6375 (d) 4872.
4. Use the slide rule to evaluate (a) 8.5 4.9. (b) 19.4 1.86.
5. (a) Use a pocket calculator to evaluate each of the following, correct to 3
significant figures (a) 0.08412× 36.87 (b) 0.3142×58
(b) Evaluate 3642.81 + 4738.92 + 4892.3 in base ten
6. Use a pocket or desk calculator to Evaluate each of the following correct to
3 Significant Figure (a) 78.46 ÷2.492 (b) 0.003546 ÷20.46.
7. Use a pocket calculator to Evaluate (a) 14.46² (b) 80.42² leave your
answers in 3 S.F.
8. Use a calculator with scientific function keys to Evaluate 3.46+3sin48°
9. Write 1473 in octal number using expanded notation.
10. write 251872 in decimal number using expanded notation.?

In Mathematics
4 Answers Available
Asked by Divine on 10th June, 2020