What should you do if a place value is missing a number?(1 point)
Responses
Subtract without it.
Subtract without it.
Remove the last digit(s) in the number that has the additional place values.
Remove the last digit(s) in the number that has the additional place values.
Nothing.
Nothing.
Add a zero.
Add a zero.
What is −18.1−5?(1 point)
Responses
If a place value is missing a number, you should add a zero.
To answer the question, "What should you do if a place value is missing a number?", you would need to understand how place value works. Place value refers to the value of a digit based on its position in a number. If a place value is missing a number, such as a missing digit in a number, there are a few ways to handle it:
1. Subtract without it: This option suggests that if the missing digit doesn't significantly impact the value of the number, you can subtract without considering it. For example, if the number is 305 and the tens place is missing, you can subtract as if it were just 35.
2. Remove the last digit(s) in the number that has the additional place values: If there are additional place values in the number, you can remove the last digit(s) to consider the number without the missing digit. For instance, if the number is 5432 and the hundreds place is missing, you can remove the last two digits and work with 54.
3. Nothing: In some cases, if the missing digit does not affect the overall value or calculation you are doing, you can choose to do nothing and continue with the number as is.
4. Add a zero: Another option is to add a zero in the place where the missing digit should be. This helps preserve the correct place value positioning of the other digits. For example, if the number is 84 and the tens place is missing, you can add a zero to make it 804, ensuring the hundreds place is still in the correct position.
These are some possible approaches to handling a missing number in a place value. The appropriate option depends on the context and the specific calculations or operations you need to perform with the number.