Question

For the following, round off each number to three significant digits, and then express it in scientific notation.

1) 3.478
2) 65.345
3) 4444
4) 3.1416
5) 55555
6) 45.35455

Answer 1

1) 3.478 3.48

2) 65.345 6.53x10^1

3) 4444 4.44x10^3

4) 3.1416 3.14

5) 55555 5.56x10^4

6) 45.35455 45.4x10^1

Step-by-step explanation: