Jan 15, 2020 · To evaluate the expression a+ 4 when a = 7, we simply substitute the value of a into the expression. Here are the steps to follow: Identify the expression we need to evaluate: a+ 4. …

Jan 29, 2026 · To evaluate 3x − 4y when x = −2 and y = 3, you substitute the values, perform multiplication, and combine the results to find that the expression equals −18.

Jan 22, 2025 · To evaluate the expression 10−620, follow these steps: Calculate the denominator: First, simplify the expression inside the parentheses. You'll subtract 6 from 10: 10− 6 = 4 Substitute the …

Jun 4, 2025 · To evaluate the expression mc2 when m = 4 and c = 8, follow these steps: Identify the Given Values: m = 4 c = 8 Substitute the Given Values into the Expression: The expression given is …

Mar 30, 2022 · To evaluate the expression ∣ − 31.889∣, we need to understand the concept of absolute value. The absolute value of a number is its distance from zero on the number line, disregarding …

Mar 6, 2025 · To evaluate log81 27, we can use the change of base formula. By expressing 27 as 33 and 81 as 34, we find that log81 27 = 43 = 0.75. This indicates that 81 raised to the power of 0.75 …

Jun 4, 2025 · To evaluate the expression 2a +3c when a = 100 and c = 100, we can follow these steps: Substitute the given values into the expression: Replace a with 100 and c with 100 in the expression …

Feb 27, 2025 · To evaluate (mn)(−3), we first need to define the functions m(x) and n(x). Without specific definitions given for these functions, we will treat m(x) and n(x) as generic functions, allowing you to …

May 20, 2020 · To evaluate the expression ⌊5.8⌋, we must understand what the floor function means. Definition of the Floor Function: The floor function, denoted by ⌊x⌋, is defined as the greatest integer …

Jul 28, 2025 · To evaluate the given numerical expressions, we need to follow the order of operations, which states that we should perform multiplication and division before addition and subtraction.