Answer: hope this helps
Step-by-step explanation:
Write down the numbers, one under the other, with the decimal points lined up.
Put in zeros so the numbers have the same length (see below for why that is OK)
Then add, using column addition, remembering to put the decimal point in the answer.
Answer:
Since there are 4.5*10^2 grams of trash per day per person, we multiply that by 3.2*10^6 for everyone in the US and then multiply that by 365 to get how much in a year, which is 525600000000 or 5.256*10^11 (I think it's 11)
Step-by-step explanation:
Answer:
(2x + 5) (3x - 2)
Step-by-step explanation:
(2x + 5) (3x - 2) = 6x² + 11x - 10