Three numbers are written as (10a + 1), (10b + 2), and (10c + 3), respectively. What will be the unit digit in the product of the squares of the given numbers?
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Answered by
6
Answer:
6
Step-by-step explanation:
10a+1 : this no. units digit is 1,
as 10×any no. ends with 0 so sum of 0and 1 is 1
so (10a+1)² units place is 1
as unit place of square of any no.
with units place 1, is 1²=1
similarly
10b+2 : units place = 2
(10b+2)² : units place = 2²= 4
10c + 3: units place = 3
(10c+3)²: units place = 3² = 9
unit place digit of product of squares of given numbers
= 1×4×9 = 36 is 6
Answered by
1
Answer:
watching movies
Step-by-step explanation:
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