What do you need to do to add and subtract decimals?
2 answers:
Answer:
Write down the numbers, one under the other, with the decimal points lined up
Put in zeros so the numbers have the same length
Then add using column addition, remembering to put the decimal point in the answer
Step-by-step explanation:
Line up decimals and add/subtract no different then when you’re adding and subtracting normal numbers
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Answer:
the value of 8 in the first one is 8
in the second one is 80
World's population that lives in China in percentage is 20%
Answer:
E
Step-by-step explanation:
using the rule of radicals
× 
⇔ 
, hence
= 
= 
× 
× 
[ = i]
= 2i → E
The percent of decrease on an item that went from $25 to $20 is 5 percent.
3.8 is the answer you already figured it out
