sherneiljshawn sherneiljshawn
  • 03-10-2016
  • Mathematics
contestada

How many​ seven-digit numbers are there when 0 , 7 , and 2 cannot be the leading​ number?

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CuriousCompass
CuriousCompass CuriousCompass
  • 08-10-2016
 9,000,000
-2,000,000 (1,000,000 for each of the numbers taken out except 0, a number    7,000,000                   can't start with 0 unless it is 0 or a decimal.)
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