Solution - Long multiplication
Step-by-step explanation
1. Rewrite the numbers from top to bottom aligned to the right
| Place value | ones | . | tenths | hundredths | thousandths |
| 9 | . | 8 | |||
| × | 0 | . | 0 | 0 | 1 |
| . |
Ignore the decimal points and multiply as if these are whole numbers (as if each most right digit is the ones digit):
In this case we removed 4 decimal place(s). So once calculated, the result will be reduced by the factor of 10,000.
| Place value | tens | ones |
| 9 | 8 | |
| × | 1 | |
2. Multiply the numbers using long multiplication method
Start by multiplying the ones digit (1) of the multiplier 1 by each digit of the multiplicand 98, from right to left.
Multiply the ones digit (1) of the multiplicator by the number in the ones place value:
1×8=8
Write 8 in the ones place.
| Place value | tens | ones |
| 9 | 8 | |
| × | 1 | |
| 8 |
3. Add the partial products
Multiply the ones digit (1) of the multiplicator by the number in the tens place value:
1×9=9
Write 9 in the tens place.
| Place value | tens | ones |
| 9 | 8 | |
| × | 1 | |
| 9 | 8 |
Because we have 4 digit(s) to the right of the decimal point in the numbers that are being multiplied, we move the decimal point 4 time(s) to the left (reducing the result by the factor of 10,000) to get the final result:
The solution is: 0.0098
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