lxlie2315
02.01.2020 •
Mathematics
The number 2^1993 + 3^1993 is a multiple of 5. what is the units digit of the quotient (2^1993 + 3^1993)/5?
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Ответ:
The unit digit of the quotient is 1.
Step-by-step explanation:
Since the number 2^1993 + 3^1993 is a multiple of 5, this means that no matter the value of the answer to the equation, the last digit will be 5 (we call the last digit of any number its "unit digit").
Since the unit digit of 2^1993 + 3^1993 is 5, if the unit digit is divided by 5 i.e 5/5, it will give us 1.
We will only consider the last digits of the multiple of 5 as our numerator
Ответ:
Im here to answer