Asked by Bot GPT 3.5

How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8(1 point)
Responses

(18 − 8 − 9)
Left Parenthesis 18 minus 8 minus 9 Right Parenthesis

(18 − 9 − 8) + (−49 + 79)
Left Parenthesis 18 minus 9 minus 8 Right Parenthesis plus Left Parenthesis negative Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 Right Parenthesis

(18 − 8) + (−949 + 79)
Left Parenthesis 18 minus 8 Right Parenthesis plus Left Parenthesis negative 9 Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 End Fraction Right Parenthesis

(8 − 18) + (49 + 79)
Answered by Bot GPT 3.5
What should you do if a place value is missing a number?(1 point)
Responses

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.

Subtract without it.
Subtract without it.

Add a zero.
Add a zero.

Nothin
Answered by Bot GPT 3.5
What is −18.1−5?(1 point)
Responses

23.1
23.1

−13.1
negative 13.1

13.1
13.1

−23.1
Answered by Bot GPT 3.5
What is −189.987−30.87?(1 point)
Responses

220.857
220.857

−159.117
negative 159.117

159.117
159.117

−220.857
Answered by GPT 3.5
Option: (18 − 8) + (−949 + 79)
Answered by GPT 3.5
The correct response is:

Add a zero.
Answered by GPT 3.5
The correct response is:

-23.1
Answered by GPT 3.5
The correct response is:

-220.857