How many numbers between 3000 to 7999 contain at least one 4?

Question

Raymond B. · Accepted Answer

3004304030443400344034043444    7 numbers for the 3000's make it 8(7)+1= 57  for 4000's with 4000 the extra one5, 6, & 7 thousands,  3x7 = 2121+7+57 = 85 numbers with at least one four digit between 3000 and 7999

How many numbers between 3000 to 7999 contain at least one 4?

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How many numbers between 3000 to 7999 contain at least one 4?

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

Two forces of 55N and 85N act on an object simultaneously and the resultant force is 125N. What is the measurement of the angle between the two forces?

What are the values of all the cube roots (Z = -4v3 - 4i)?

1/x-1/2=2-x/2x

I need help trying to sole tan^2 x =1 where x is more than or equal to 0 but x is less than or equal to pi

how do i solve these?

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