Answer:
2/5 is 4/10. 8/10 is 2 time greater than 2/5.
Step-by-step explanation:
4/10= 0.8, which can be written 8/10.
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Answer:
The answer is 200000 milligrams
Hope that helped you
Answer: Density = 0.23 tons per cubic meter.
Step-by-step explanation:
Formula : 
1 ton = 32000 ounces
⇒ 1 ounce = 0.00003125 ton
⇒ 7 ounces = 7(0.00003125)= 0.00021875 ton
1 gallon = 0.00378541 cubic meter
2.5 gallons = 0.009475 cubic meter
Density=

Hence, Density = 0.23 tons per cubic meter.
The answer is 32% good luck