Which of the following should be done to write the number 1.65 × 102 in standard notation?

a. move the decimal 2 places to the left
b. move the decimal 2 places to the right
c. move the decimal 10 places to the left
d. move the decimal 10 places to the right

Benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?