ashleighrushing ashleighrushing
  • 25-01-2017
  • Mathematics
contestada

How many​ seven-digit numbers are there when 0 and 5

cannot be the leading​ number?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-01-2017
1,2,3,4,6,7,8,9
8 numbers

if you can repeat then
8*10⁶ numbers or 8000000 different numbers

if you can use each number only once then
8*9*8*7*6*5=120960 different numbers
Answer Link

Otras preguntas

5.45 times what is 65 real urgent
Four out of 28 students had to take summer school. What is the ratio of students who did not have to take summer school expressed in it’s lowest terms?
What is the value of 2 in 5,670,249,114? And describe 2 ways to find value?
To become a citizen of the United States, you must A. have lived in the United States for at least six months. B. be at least 21 years old. C. pass an English
5.45 times what is 65 real urgent
Where was Obama born?
What is the meaning of reprocate
Explain why the gravitational acceleration of any object near Earth is the same no matter what the mass of the object is.
Which sentence contains an action verb? A. Her dog seems fierce. B. She was lazy last year. C. Mary works every day. D. Lynn is pretty.
what is the unit rate of 18 people in 3 vans