200,000,000 9 digits.
100(200/1460) = 13.7 %, to the number of significant digits justified by the limiting datum, 200.
150
A creditcard
repetition
200,000,000 9 digits.
100 (rounded up to the nearest 200).
100(200/1460) = 13.7 %, to the number of significant digits justified by the limiting datum, 200.
150
199
Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.
The mystery number is 155. When rounded to the nearest hundred, it rounds to 200. The sum of its digits is 1+5+5=11 which is greater than 10, so we must adjust the digit in the hundreds place. When rounded to the nearest ten, 155 rounds to 160, which has digits summing up to 1+6+0=7.
150
A creditcard
repetition
hundreds
300