How do you write 6.43999001 X 10^8 in standard form?

What is the sum of 12 - 5i and - 3 + 4i?

F (x) = 2x square - 3x-5

A jar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw.

Tell whether the ordered pair (1, - 4) is a solution of the given system y = - 4x y = 2x - 2

A large measuring cup can hold 2.5 pints of liquid. If 1 pint equals 473.2 milliliters, how many milliliters of liquid can the cup hold?

9a - [7 - 5 (7a - 3) ]

One eighth of tonys books are mystery books he has 3 mystery books how many books dose tony have in all?

If the mean of the following distribution is 91 and sum of frequencies is 150 find x and y

Find the value of the spring constant for the spring in trial i. use 0.367 s for the value of the period. the mass of the suspended block is 0.400 kg. enter your answer in n/m with three significant figures.

5 + 3x = - 1 + 6 (6x + 1)