Topic 4.1 Video 3

Which operator can be used to find the last digit of an integer?

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Which operator can be used to eliminate the last digit of an integer?

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What condition can be used to determine when to exit the while loop that sums the digits of a number?

• number is negative
• number becomes zero
• number is equal to one
• number is greater than zero

What is the code attempting to do?

• The code is counting the number of 0s in the number.

• The code is counting the number of 1s in the number.

• The code is summing all of the digits in the number.

• The code is counting the number of digits in the number.

• The code is counting the number of times you can substract 10 before reaching 0.

Consider the given method with the missing code.

Which of the following segments of code should replace //missing code in the sumNums method so that it returns the sum of the numbers between a and b, both included in the sum?

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