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Across 2. a number is in this form when it does not contain exponents. 5. an expression that is a number, a variable, or a product of numbers and/or variables 6. a whole number that has more than two factors 9. a number that is expressed using an exponent 10. two or more numbers that are multiplied to form a product 11. a number is divisible by another if, upon division, the remainder is zero 12. to factor a number means to write it as a product of its factors. 13. a whole number that has exactly two factors, 1 and itself

Down 1. a composite number expressed as a product of prime factors. 3. a way to find the prime factorization of a number. The factors branch out from the previous factors until all the factors are prime numbers. 4. a number expressed using place value to write the value of each digit in the number 7. the base is used as a factor as many times as given by the exponent. That is, 2 to the fourth power = 2 x 2 x 2 x 2 8. The exponent tells how many times the base, 2, is used as a factor. So, 2 to the fourth power = 2 x 2 x 2 x 2