3 years ago

Help me please will gve you brain liest i promise just help me please!

1 answer:

8 0

The average person in the United States throws away 450 grams of trash per day. There are about 3,200,000 people in the US (in 2013).

3,200,000*450 = 1,440,000,000 grams of trash PER DAY

It wants to know how many grams of trash in ONE YEAR. So,

1,440,000,000*365 = 525,600,000,000

Rounded, that is 530,000,000,000

That is equal to 5.3x10^11

Let me know if you have any more questions about this!

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3 years ago

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Of five letters (a, b, c, d, and e), two letters are to be selected at random without replacement. how many possible selections

san4es73 [151]

Sent a picture of the solution to the problem (s). I sent the formula because I do not know if your calculator has the combination function. You will notice the denominator. I got it by the 2 picks you make and the 3 from what is left over. The 5 is from the total selection.