There was a sample of 850 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 6.5% each year. Let t be the number of years since the start of the study. Let y be the mass of the sample in milligrams.
Write an exponential function showing the relationship between y and t.

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step-by-step explanation:

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your answer is a

step-by-step explanation:

4*4*4*4=256

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation:

step-by-step explanation: