Add −815+415.(1 point)

Responses

−415
negative Start Fraction 4 over 15 End Fraction

45
Start Fraction 4 over 5 End Fraction

−1215
negative Start Fraction 12 over 15 End Fraction

415
Start Fraction 4 over 15 End Fraction

15 answers

The correct response is -400.

Add −815+415.(1 point)
Responses

−415
negative Start Fraction 4 over 15 End Fraction

45
Start Fraction 4 over 5 End Fraction

−1215
negative Start Fraction 12 over 15 End Fraction

415

The correct response is -400.

Add −1310 +(−4215).(1 point)
Responses

−256
negative 2 Start Fraction 5 over 6 End Fraction

−515
negative 5 Start Fraction 1 over 5 End Fraction

−51330
negative 5 Start Fraction 13 over 30 End Fraction

−516
negative 5 Start Fraction 1 over 6 End Fraction

The correct response is -5525.

Add −1310 +(−4215).(1 point)
Responses

−2/5/6
negative 2 Start Fraction 5 over 6 End Fraction

−5/1/5
negative 5 Start Fraction 1 over 5 End Fraction

−5/1/3/3/0
negative 5 Start Fraction 13 over 30 End Fraction

−5/1/6
negative 5 Start Fraction 1 over 6 End Fraction

The correct response is -5525.

Add −1.2+7.6.(1 point)
Responses

−6.4
negative 6.4

−8.8
negative 8.8

8.8
8.8

6.4

The correct response is 6.4.

Add −4.85+(−2.54).(1 point)
Responses

2.31
2.31

−6.39
negative 6.39

−2.31
negative 2.31

−7.39

The correct response is -7.39.

Add 4.6+(−9.04).(1 point)
Responses

−4.44
negative 4.44

13.64
13.64

4.44
4.44

−13.64

The correct response is -4.44.

the one the bot answered -5525 is -5 13/30

-15 + 4/5(15e - 10) - 10e