For question 5
3 . 2 3
* 0. 4 5
_________
1 6 . 1 5
1 29 . 2 0
0 0 0. 0 0
________
1 4 5. 3 5
________
We shall then move the decimal point 2 places to the left.
Hence, we have
1.4535
To check (question 6), we divide our result obtained in question 5 by 3.23