#### Answer

3210

#### Work Step by Step

Start by multiplying in the ones column. 5 * 2 = 10 ones
1
642
* 5
0
Write 1 ten in the tens column, write 0 ones in the ones column.
Next, multiply 5 times 4 tens.
5 * 4 tens = 20 tens
Add the 1 ten that was written at the top of the tens column.
20 tens + 1 ten = 21 tens
2 1
642
* 5
10
Write 2 hundreds in the hundred’s column, write 1 tens in the tens column.
Next, multiply 5 times 6 hundreds.
5 * 6 hundreds = 30 hundreds
Add the 2 hundreds that was written at the top of the hundred’s column.
30 hundreds + 2 hundreds = 32 hundreds
2 1
642
* 5
3210