26 and 27
30
Infinitely many. There are infinitely many numbers between any two numbers.
two hundred
To the nearest whole number: 2 To the nearest ten: Zero
26 and 27
26 and 27
28 and 34.
26 and 27
26 and 27
30
"http://wiki.answers.com/Q/I_am_a_number_if_you_round_the_number_of_days_in_october_to_the_nearest_ten_and_round_the_number_of_days_in_february_to_the_nearest_ten_i_am_half_of_the_product_of_those_two_numbers_what_am_i"
Infinitely many. There are infinitely many numbers between any two numbers.
two hundred
30
To the nearest whole number: 2 To the nearest ten: Zero
71 rounds to 70 75 rounds to 80 79 rounds to 80