Nov 2, 2025 · To evaluate the expression a2 − 3b when a = 2 and b = −3, follow these steps: Substitute the values of a and b: Replace a with 2 and b with -3 in the expression.

Dec 3, 2025 · To evaluate x−2 for x = −3, substitute −3 into the expression and apply the rule for negative exponents. This results in (−3)21, which simplifies to 91. Therefore, the final answer is 91.

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 …

Sep 9, 2025 · To evaluate the expression 2−2 ⋅ (12⋅ 3) − 53, we need to follow the order of operations (often remembered by the acronym PEMDAS: Parentheses, Exponents, Multiplication and Division …

Sep 19, 2024 · The expression 41c +3d evaluates to 22.5 when substituting c = 6 and d = 7. This was calculated by multiplying, adding, and substituting the values provided. The detailed steps …

Dec 26, 2023 · To evaluate (8 + t) to the third power - 6 when t = 2, you first replace the variable t with the number 2 and then perform the operations in the correct order, according to the order of …

Jun 26, 2019 · To evaluate log16(64) we first need to express 64 in terms of the base 16. We can rewrite the logarithmic equation: log16(64) = x which means: 16x = 64 Next, let's express both sides using …

Jul 13, 2025 · To evaluate B 2 for B = 9, we will follow these steps: Substitute the Value: We start by substituting the value of B. Since B is 9, we need to find 92. Calculate the Square: To find 92, we …

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 …

Sep 4, 2023 · To evaluate (0.01024) raised to the power -2/5, use the rule that states any number raised to the power -a is equal to 1 divided by that number raised to the power a.