How many numbers between (and including) 440 and 970 are not multiples of ten? Give your answer as a single integer.

How many normalized numbers are represented by the floating point system F (β, t, L, U )? Provide a formula in terms of these parameters

Using the digits 1, 2, 3, 5, 6, 7, 8 and 9, how many three-digit numbers can be made. three-digit numbers can be made without repeating digits. five-digit numbers can be made. five-digit numbers can be made without repeating digits.

Given the binary floating-point value 1101.01101, how can it be expressed as a sum of decimal fractions? TATI

Pollard's p-1 method was used with b=25 to factorise an integer N, but for any choice of the base x it failed to give a factor. Which of the following numbers cannot be a factor of N? Select one or more: a. 2749 b. 4457 c. 5981 d. 1237 e. 1151

Given a positive integer n, find the nth Fibonacci number. The Fibonacci sequence is a sequence of numbers where each number is the sum of the two previous numbers.

The arrival times of geese to a gaggle were recorded (in seconds) and given in the stemplot below. 134599 21778 2345 32 4599 6 22 What is the 12th fastest time a goose took to join the gaggle? Make sure to use labels and avoid the use of abbreviations. Your Answer:

Use contraposition to prove that an even number multiplied by an odd number will equal an even number.

2. How many even 4-digit numbers greater than 3000 can be formed from the digits 2, 6, 7, 8, 9 if no digit can be used more than once?