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. There are 258,890,850 number combinations possible in the Mega Millions lottery. One winning jackpot ticket will be chosen at random. Brent chooses his favorite number combination and buys one ticket. Find the probability Brent will win the jackpot. Round the decimal to the first digit that is not zero, then write the name of the decimal.

User Rockoder
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1 Answer

3 votes

Answer:

0.000000004 = 4 hundred millionths probability Brent will win the jackpot.

Explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question:

1 desired combination out of 258,890,850. So


p = (1)/(258890850) = 0.000000004

9 places after the decimal point is hundred millionths

0.000000004 = 4 hundred millionths probability Brent will win the jackpot.

User Mauricio Rodrigues
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