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


.7777

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