Answer :
1.)
47
x 56
_______
First multiply 47 x6, 7x6 equals 42, so we place 2 in the result and 4 in the next digit (up)
then 4 x 6 = 24,+4 =28
4
47
x 56
____
282
Now, we have to multiply 47 x5, put a 0 in the last digit place and multiply the same way we did before:
3
4
47
x 56
____
282
235 0
______
Finally add both results
282
+ 2350
________
2632