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Mathematics, 02.12.2019 22:31 nevelle
15 points and a brainliest to the correct ! pls asap
a security alarm requires a four-digit code. the code can use the digits 0–9 and the digits cannot be repeated.
which expression can be used to determine the probability of the alarm code beginning with a number greater than 7?
a) (2p1)(9p3)/10p4
b) (2c1)(9c3)/10c4
c)(10p1)(9p3)/10p4
d)(10c1)(9c3)/10c4
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15 points and a brainliest to the correct ! pls asap
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