Consider the expression: 3 // 4 * 20 + 6 // 2. What value does this expression reduce to? Be sure to list a literal of appropriate type (e.g., 7.0 rather than 7 for a float, string literals in quotes).

Question

BlackTom AI · Accepted Answer

The expression to evaluate is: 3 // 4 * 20 + 6 // 2.

First, recall that // denotes floor division (the quotient rounded down to the nearest integer).

Compute the first floor division: 3 // 4. Since 3 divided by 4 is 0.75, floor division yields 0.

Next, multiply the result by 20: 0 * 20 = 0.

Then, compute the second floor division: 6 // 2. Since 6 divided by 2 is exactly 3, floor division yields 3.

Finally, add the two parts: 0 + 3 = 3.

So the evaluated value of the expression is 3. If the provided answer was 5, that would be inconsistent with these step-by-step computations and the definition of floor division used here.

Combined CS-126 sections - (1257-4967) COMPUTER SCIENCE I (Fall 2025 M16) 002 Module 1 - Review | Practice Quiz

Consider the expression: 3 // 4 * 20 + 6 // 2. What value does this expression reduce to? Be sure to list a literal of appropriate type (e.g., 7.0 rather than 7 for a float, string literals in quotes).

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Combined CS-126 sections - (1257-4967) COMPUTER SCIENCE I (Fall 2025 M16) 002 Module 1 - Review | Practice Quiz

Consider the expression: 3 // 4 * 20 + 6 // 2. What value does this expression reduce to? Be sure to list a literal of appropriate type (e.g., 7.0 rather than 7 for a float, string literals in quotes).

查看解析

登录即可查看完整答案

类似问题

You would like the following expression 3+2[Fill in the blank] 4/(7-5)^2 to evaluate to 5 when run in R. Enter an appropriate mathematical operator to make the expression to evaluate to 5.

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Match the following syntax to the function description 1: x*y ____ 2: x+y ____ 3: x-y ____ 4: x%y ____ 5: x/y ____ 6: x**y ____

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1. The characters +, -, *, and / are examples of ____. a. formulas c. arithmetic operators b. values d. calculations

a * ( b + c ) may also be written in C as _____________.

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