Basic Math Examples

Popular Problems
Basic Math
Evaluate 0.5*2000
0.5⋅20000.5⋅2000
Step 1
Multiply using long multiplication.
Tap for more steps...
Step 1.1
Multiply 00 by 55. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
00
Step 1.2
Multiply 00 by 00. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
Step 1.3
Multiply 00 by 55. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
00
Step 1.4
Multiply 00 by 00. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
0000
Step 1.5
Multiply 00 by 55. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
0000
00
Step 1.6
Multiply 00 by 00. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
0000
0000
Step 1.7
Multiply 22 by 55. Place the ones digit (0)(0) in the result line and carry the tens digit (1)(1). There is one result line for each digit in 20002000.
11
00.55
⨯×22000000
0000
0000
0000
00
Step 1.8
Multiply 22 by 00 and add the carried 11. Place the result in the next column in the result line. There is one result line for each digit in 20002000.
00.55
⨯×22000000
0000
0000
0000
1100
Step 1.9
Add the numbers in each column. In this case, add 0+0+0+00+0+0+0, then place the 00 in the result line.
00.55
⨯×22000000
0000
0000
0000
1100
00
Step 1.10
Add the numbers in each column. In this case, add 0+0+0+00+0+0+0, then place the 00 in the result line.
00.55
⨯×22000000
0000
0000
0000
1100
0000
Step 1.11
Add the numbers in each column. In this case, add 0+0+0+00+0+0+0, then place the 00 in the result line.
00.55
⨯×22000000
0000
0000
0000
1100
000000
Step 1.12
Add the numbers in each column. In this case, add 0+0+0+00+0+0+0, then place the 00 in the result line.
00.55
⨯×22000000
0000
0000
0000
1100
00000000
Step 1.13
Add the numbers in each column. In this case, add 0+0+0+10+0+0+1, then place the 11 in the result line.
00.55
⨯×22000000
0000
0000
0000
1100
1100000000
00.55
⨯×22000000
0000
0000
0000
1100
10000
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 1, so the answer must have 1 decimal places as well.
1000
 [x2  12  √π  ∫xdx ]