3. Parenthesis are also used for square root. Excel enters square root as sqrt(n). For example, to find the square root of 49 you enter =sqrt(49). Calculation Excel entry Result V27 - 2 5 Incorrect 3+ Ve 4. To raise a base to a power, Excel uses the symbol ^. For example, to square 4 you enter =4^2. Calculation Excel entry Result 3 + 42 19 Correct 31.1-2.2 (1+ 32)(23 + 5) 130 Correct 5. Now use what you learn to perform the following calculations. Calculation Excel entry Result Tt - 1.3 5.8 + 2.6 0.8144753159 Incorrect 1.6 + 3.7 3 1.767 Incorrect 4.3