Algebra

posted by .

All the even numbers from 2 to 98 inclusive, except those ending in
0, are multiplied together. What is the rightmost digit, that is,
the units digit of the product?

  • Algebra -

    2*4*6*8 = 384, and that last digit "4" will be the last digit of each group of _2,_4,_6,_8 that gets multiplied. After multiplying 10 numbers that end in 4, the last number will be the same as the last digit of 4^10, which is 6.

  • Algebra -

    What two numbers multiplied together equals 5040 and added together equals 98

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    All the even numbers from 2 to 98 inclusive, except those ending in 0, are multiplied together. What is the rightmost digit, that is, the units digit of the product?
  2. Algebra

    All the even numbers from 2 to 98 inclusive, except those ending in 0, are multiplied together. What is the rightmost digit, that is, the units digit of the product?
  3. math

    All the numbers from 1 to 99 are multiplied together. Use a pattern to determine the last digit of the product. Justify your answer.
  4. Grade 7 Math

    All the numbers from 1 to 99 are multiplied together. Use a pattern to determine the last digit of the product. Justify your answer.
  5. Pre-Algebra

    -My tens and units digits are consecutive integers whose product is 2/3 of my hundreds digit. -My units digit is 1/3 of my hundreds digit. -The sum of my digits id equal to the sum of the first five counting numbers. What year am I?
  6. algebra

    the winninq three-digit number in a drawing for a door prize had the same units and hundreds digit. the product of its units and tens digits was 5 less than twice the sum of its digits. its middle digit was one more than twice its …
  7. Math

    All the numbers from 1 to 99 are multiplied together. What is the last digit of the product?
  8. Algebra - Math HW HELP!

    1) It is a five-digit whole number. 2) It is a palindrome. 3) Its tens digit is the cube root of a one-digit number. 4) The product of its hundreds digit and its ones digit is 54. 5) The sum of its hundreds digit and its ones digit …
  9. math

    the hundred thousands digit of a six-digit even numbers is 3 more than the thousand digit,which is twice the ones digit.give at least four numbers that satisfy the given condition.
  10. Math

    It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit …

More Similar Questions