Question

EXERCISE 6.1 22
rite the unit's digits of the squares of the following numbers :
2) 93
(b) 72
(c) 546
(d) 729
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Answer 1

1. Unit digit of (93)² = 9
2. Unit digit of (72)² = 4
3. Unit digit of (546)² = 6
4. Unit digit of (729)² = 1

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Answer 2

Answer:

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Step-by-step explanation:

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