Question

Q. The value of the expression
4-5 x 106 x 625
4-8 x 42
is given by​

Answer 1

Answer:

numbers becoz their is no variable here

Answer 2

Answer:

We have learned that, in in an algebraic expression, letters can stand for numbers. When we substitute a specific value for each variable, and then perform the operations, it's called evaluating the expression. Let's evaluate the expression 3y + 2y when 5 = y. Click on the steps to see how it's done.