# Math

posted by .

Ian multiplied a whole number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?

• Math -

The product of any number multiplied by 5 is either 5 or 0. (5, 10, 15, 20, 25, 30, etc.)

If you multiply any of these products by 2, what do you think will be the last digit?

• Math -

• Math -

50

## Similar Questions

1. ### math

Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to math. Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his …
2. ### math

Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to math. Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his …
3. ### math

Can u please help me with this..this is my sons 6th grade work and im pulling my hair out..i would like to know how to do it so he does not think or his teacher that im an idiot... Thank You So Much -The mystery # is a decimal.. -The …
4. ### MATH

Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?
5. ### math

ian multiplied a number by 5. he then multiplied that product by 2. what digit is in the ones place of the final product?
6. ### math

Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product
7. ### geometry

Square is the product of a number multiplied with that number itself.square of a number is its second power . 1 multiplied 1 = 1 raised 2 = 1 , 2 multiplied 2 = 2raised2=4 , 3 multiplied 3 =3raised2 =9 , 4 multiplied4 =4raised2 = 16 …
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. ### algebra

It is a five digit whole number 1. It is a palindrome 2. It's hundreds digit is a multiple of 5 3. The product of its one digit and 8 is 12 greater than the square of its ones digit 4. The product of its thousands digit and 18 is 45 …
10. ### math

I am a 6 digit number between 600 000 and 700 000.My ones digit and tens digit have no values.One of my digits has a value of 600 000.My ten thousands digit is one more than my thousands digit but if both digits are multiplied,the …

More Similar Questions