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Problem 3. Find the number of multiples of 7 between 30 and 300.
Problem 4. How many 4-digits numbers are not divisible by 11?
Problem 5. True or false? If the sequence a, b, c is arithmetic, then the sequence 2^a, 2^b,2^c is geometric. Explain.
Problem 4. How many 4-digits numbers are not divisible by 11?
Problem 5. True or false? If the sequence a, b, c is arithmetic, then the sequence 2^a, 2^b,2^c is geometric. Explain.