Basic Math Examples

Popular Problems
Basic Math
Evaluate 0.35*400
0.35⋅400
Step 1
Multiply using long multiplication.
Tap for more steps...
Step 1.1
Multiply 0 by 5. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
0
Step 1.2
Multiply 0 by 3. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
00
Step 1.3
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
000
Step 1.4
Multiply 0 by 5. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
000
0
Step 1.5
Multiply 0 by 3. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
000
00
Step 1.6
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
000
000
Step 1.7
Multiply 4 by 5. Place the ones digit (0) in the result line and carry the tens digit (2). There is one result line for each digit in 400.
2
0.35
⨯400
000
000
0
Step 1.8
Multiply 4 by 3 and add the carried 2. Place the ones digit (4) in the result line and carry the tens digit (1). There is one result line for each digit in the 400.
12
0.35
⨯400
000
000
40
Step 1.9
Multiply 4 by 0 and add the carried 1. Place the result in the next column in the result line. There is one result line for each digit in 400.
0.35
⨯400
000
000
140
Step 1.10
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
0.35
⨯400
000
000
140
0
Step 1.11
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
0.35
⨯400
000
000
140
00
Step 1.12
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
0.35
⨯400
000
000
140
000
Step 1.13
Add the numbers in each column. In this case, add 0+0+4, then place the 4 in the result line.
0.35
⨯400
000
000
140
4000
Step 1.14
Add the numbers in each column. In this case, add 0+0+1, then place the 1 in the result line.
0.35
⨯400
000
000
140
14000
0.35
⨯400
000
000
140
14000
Step 2
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.
140
 [x2  12  π  ∫⁡xdx ]