In 2013, the estimated world population was 7.1 billion. Use a doubling time of 43 years to predict the population in 2024, 2067, and 2121. What will the population be in 2024?
The population will be billion.
(Round to one decimal place as needed.)
HELP PLEASE

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

The hockey team has been great! in 2008, they won 20% more games than in 2007 in 2009 they won 50% more games than in 2008 what was their overall percentage increase from 2007 through2008?