The population of China is approximately 1.381 * 10^9, and the population of the United States is approximately 3.23 * 10^8. About how many people live in both countries combined? Express your answer in scientific notation.

For this problem, you will want to guess and check until you find the right solution. How many years does it take for $100 to reach $1 million dollars? The rate is at 5% with it being compounded twice a year. Round to a whole year.

How many deciliters are in 500 ml?

Elaine is eight years younger than her brother Tyler the sum of their ages is 34 what are elaine's and Tylers ages

If b+3/7 = 2/5 then which of the following is true?5b + 15 = 14 b + 3 = 14 5b + 3 = 14 b + 15 = 14

What are the zeros of the polynomial function? f (x) = x4-2x3-103x2+200x+300 Select each correct answer. -10 -3 -1 0 3 10

If your company needs to produce 7,800 products by the end of the next 12 weeks, how many products will you need to produce each week to finish on schedule?

At an election there are 5 candidates and 3 members are to be elected. A voter is entitled to vote for any number of candidates not greater than the number to be elected. In how many ways a voter can vote?

Today kelly biked 6 times as far as she ran yesterday. she biked 30 miles how far did kelly run

Diane has bought 36 pounds of dog food. She feeds her dog 7 pounds for each meal. For how many meals will the food last?

One container of juice costs $4.56 for 32 fluid ounces. Another container costs $3.20 for 20 fluid ounces. Determine which container of juice is the "better buy" based on the unit price. What is the unit rate for each?