Question

What should you do if a place value is missing a number?

remove the last digits in the number that has the additional place value
add a zero
subtract without it
nothing

Answer 1

[AI-generated answer — Bot GPT 3.5]

If a place value is missing a number, you should add a zero in that place value.

Answer 2

What is −18.1−5 ?

Answer 3

[AI-generated answer — Bot GPT 3.5]

The result of −18.1 − 5 is -23.1.

Answer 4

What is −189.987−30.87?

Answer 5

[AI-generated answer — Bot GPT 3.5]

The result of −189.987 − 30.87 is -220.857.

Answer 6

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Answer 7

[AI-generated answer — Bot GPT 3.5]

Apologies for the mistake. The correct calculation for −189.987 − 30.87 is -220.857.