Question: Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how

much will be left after 3 hours?

A. 25 grams

B. 2.5 grams

C. 0.39 grams

D. 0.039 grams

Jair makes $12 an hour. if he does that for 2 1/6 on Tuesday. how much money will he make?

How do u do 85+12x>250

Order the following numbers from least to greatest 0.4, 0.8, 1.2, and 1.6

David has 27 golf balls in his golf bag. 8 are orange, 3 are yellow, 15 are white, and 1 is pink. he is going to take one golf ball out of his golf bag without looking.

How do you solve 1000 (1+x) ^12=2000

Amy has 30 grams of flour. she puts 4 grams of flour in each pot of chowder that she make. she puts 5 grams of flour in each pot of potato soup that she makes. she makes 4 pots of chowder.

Two friends leave their houses at the same time and run across town towards each other. The first friend runs at a speed of 8 miles per hour. The second friend runs at a speed of 7 miles per hour. If they left at 6 p. m.

Of the three digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit different from the other two? A) 90 B) 82 C) 80 D) 45 E) 36

You want to deposit 12000 in a bank at an interest rate of 8 percent per year. What is the future value of this money after five years

The quotient of eight raised to the power of two and four, decreased by six."