A) How many 2-digit numbers have the digit 7 exactly once?

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Ckittel asked Jul 24, 2023

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A) How many 2-digit numbers have the digit 7 exactly once?

Mathematics
college

Ckittel asked Jul 24, 2023

by Ckittel

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21 votes

Answer:

17, 27, 37, 47, 57, 67, 87, 97.
8

Explanation:

all are 2 digit numbers with exactly one 7 in each.

Kadiro answered Jul 24, 2023

by Kadiro

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8 votes

Answer:

Explanation:

the two digit numbers that has 7 exactly

once are 17, 27, 37, 47, 57, 67, , 87, 97

from above, there are 8 two digits

EdXX answered Jul 30, 2023

by EdXX

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the two digit numbers that has 7 exactly

once are 17, 27, 37, 47, 57, 67, , 87, 97

from above, there are 8 two digits

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