Multiply 0.80*80

Math
0.8⋅80
Multiply using long multiplication.
Tap for more steps…
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 80.
0.80
⨯80
0
Multiply 0 by 8. Place the result in the next column in the result line. There is one result line for each digit in 80.
0.80
⨯80
00
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 80.
0.80
⨯80
000
Multiply 8 by 0. Place the result in the next column in the result line. There is one result line for each digit in 80.
0.80
⨯80
000
0
Multiply 8 by 8. Place the ones digit (4) in the result line and carry the tens digit (6). There is one result line for each digit in 80.
6
0.80
⨯80
000
40
Multiply 8 by 0 and add the carried 6. Place the result in the next column in the result line. There is one result line for each digit in 80.
0.80
⨯80
000
640
Add the numbers in each column. In this case, add 0+0, then place the 0 in the result line.
0.80
⨯80
000
640
0
Add the numbers in each column. In this case, add 0+0, then place the 0 in the result line.
0.80
⨯80
000
640
00
Add the numbers in each column. In this case, add 0+4, then place the 4 in the result line.
0.80
⨯80
000
640
400
Add the numbers in each column. In this case, add 0+6, then place the 6 in the result line.
0.80
⨯80
000
640
6400
0.80
⨯80
000
640
6400
To find the number of decimal places needed in the answer, add the number of decimal places in the multiplier and multiplicand. In this case, there is a total of 2, so the answer must have 2 decimal places as well.
64
Multiply 0.80*80

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