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a) What is the remainder on dividing the...

a) What is the remainder on dividing the terms of the arithmetic sequence 100,107,114,.. by 7?
b) Write the sequence of all three digit numbers. Which leaves remainder 3 on division by 7? Which is the last term of this sequence?

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a) Remainder =2
b) Sequence of three digit numbers, which leaves remainder 3 on division by 7: 101,108,115,122,129,…..
Last term =.997
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