Question

without actual division show that each of the following numbers is divisible by 7 a. 7777 b.77077. c.770077. d.7700077

Answer 1

We can show that these all numbers are divisible by 7 by using divisibility rule of 7 which is Take the last digit of the number, double it Then subtract the result from the rest of the number If the resulting number is evenly divisible by 7, so is the original number.

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Answer 2

Step-by-step explanation:

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