3×10+20

To solve the expression 3×10+20, you follow the order of operations, which is often referred to as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction).

In this case, you have multiplication and addition. Start by performing the multiplication:

3×10 = 30.

Now, substitute that result back into the original expression:

30 + 20.

Finally, perform the addition:

30 + 20 = 50.

Therefore, 3×10+20 equals 50.