How many four-digit numbers that end in 7?
| February 25, 2021 | education
First 4-digit number = 1,000;
The last four-digit number = 9,999;
To answer how many four-digit numbers ending in 7 between them, you need to answer the question how many tens are between these numbers – every ten numbers contains one number ending in 7.
(9999 – 999) / 10 = 900.
So four-digit numbers ending in 7 are 900 in total.
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