PLEASE ANSWER THE QUESTION IN THE PICTURE 20 POINTSS WILL MARK BRIANLIEST ​

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?