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
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