Question 1
what is the difference?
–6.2 – 3.24
–9.44
2.96
–2.96
9.44
1 points save answer
question 2
simplify.
–10.5 – (–5.3) + 20.2
–4.4
36
15
–36
1 points save answer
question 3
simplify.
16.3 – (–4.2) + 15.9
36.4
28
–3.8
–36.4
1 points save answer
question 4
2.525 + 252.5
7.777
277.75
255.025
.
1 points save answer
question 5
a submarine descended 1400 meters below the surface of the water. it then rose 800 meters and then descended 350 meters. what was the submarine's net gain or loss in altitude?
–1200 m
–950 m
–400 m
650 m