3.14⋅26

Multiply 6 by 4. Place the ones digit (4) in the result line and carry the tens digit (2). There is one result line for each digit in 26.

2 | |||

3 | .1 | 4 | |

⨯ | 2 | 6 | |

4 |

Multiply 6 by 1 and add the carried 2. Place the result in the next column in the result line. There is one result line for each digit in 26.

2 | |||

3 | .1 | 4 | |

⨯ | 2 | 6 | |

8 | 4 |

Multiply 6 by 3. Place the ones digit (8) in the result line and carry the tens digit (1). There is one result line for each digit in 26.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

Multiply 2 by 4. Place the result in the next column in the result line. There is one result line for each digit in 26.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

8 |

Multiply 2 by 1. Place the result in the next column in the result line. There is one result line for each digit in 26.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

2 | 8 |

Multiply 2 by 3. Place the result in the next column in the result line. There is one result line for each digit in 26.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 |

Add the numbers in each column. In this case, add 4+0, then place the 4 in the result line.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 | |

4 |

Add the numbers in each column. In this case, add 8+8, then place the 6 in the result line and carry the 1.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 | |

6 | 4 |

Add the numbers in each column. In this case, add 8+2+1, then place the 1 in the result line and carry the 1.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 | |

1 | 6 | 4 |

Add the numbers in each column. In this case, add 1+6+1, then place the 8 in the result line.

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 | |

8 | 1 | 6 | 4 |

3 | .1 | 4 | |

⨯ | 2 | 6 | |

1 | 8 | 8 | 4 |

6 | 2 | 8 | |

8 | 1 | 6 | 4 |

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.

81.64

Evaluate 3.14*26