4. Gren
(300, 657).
Check whether 6" can end with the digit o for any natural number n.
Explain why 7x11x 13 + 13 and 7 x 6 x 5 x 4x 3 2x1 +5 are composite numbers
haroun
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Step-by-step explanation:
no 6n can't end with digit 0 because it's factorisation is 2×3
these are composite numbers because after solving the multiplication and addition the numbers which come as product are divisible by1 itself and many other numbers
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