? evaluate the expression:
3 to the 3rd power-(15-8)+ 4 x 5
(3)3 - (15-8) + 4x5 =
27 -(7) + 20 =
27 - 7 + 20 =??
Check my arithmetic.
27 -7 + 20 = ?
To evaluate the expression 3 to the 3rd power minus (15 minus 8) plus 4 times 5, follow these steps:
Step 1: Calculate the values inside the parentheses.
15 minus 8 equals 7.
Step 2: Calculate the exponent.
3 to the 3rd power means raising 3 to the power of 3.
3 * 3 * 3 = 27.
Step 3: Calculate the multiplication.
4 times 5 equals 20.
Step 4: Perform the subtraction and addition.
27 minus 7 equals 20, and then add 20 equals 40.
Therefore, the value of the expression is 40.