Add or subtract.
1. (–183) + 289 = (1 point)
–472
–106
106
472
2. (–10) – 1 = (1 point)
–11
–9
9
11
3. 7 – (–8) = (1 point)
–15
–1
1
15
4. At noon, the temperature was 12º. It rose 8º during the afternoon, and then dropped 28º by midnight. What was the temperature at midnight? (1 point)
–18º
–8º
6º
50º
Multiply or divide.
5. (–6) • (–4) = (1 point)
–24
–10
10
24
6. (–63) ÷ (–7) = (1 point)
–70
–9
9
70
7. 72 ÷ (–8) = (1 point)
–12
–9
9
12
8. Due to evaporation, the water level in Wesley's aquarium dropped 2 cm a week during the first three weeks in July. What integer represents the change in water level during the three-week period? (1 point)
–2 cm
–3 cm
–6 cm
c
a
d
4. a?
d
c
b
a
there is ten questions i only put up 8
Athina wrong 0/o
Athina wrong 0/9
I don't see your choices.
How about putting an * or some other identifying symbol behind your choice of answer and somebody will check it.
#9 When you multiply two integers with the same signs, the result is always positive. Just multiply the absolute values and make the answer positive
#10 -3.68
For your first 8, all are correct except #4
#4:
12 + 8 - 28 = -8
#9, your statement is correct
#10, no idea what what answer is for.