How do i solve the following question:

a serial number on an implanted medical device consists of 3 letters followed by digits. the first number cannot be zero. how many serial numbers are possible?

answer choices:
a) 117 b) 78,624,000 c)158,184,000 d) 175,760,000

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)

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:

50x5=$250

step-by-step explanation: