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WGU D278 EXAM WITH COMPLETE VERIFIED SOLUTIONS.
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WGU D278 EXAM WITH COMPLETE VERIFIED SOLUTIONS.
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WGU D278 EXAM WITHCOMPLETE VERIFIED
SOLUTIONS
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the
miles per gallon, which is 20? - answer Division
Which operator should be used to determine if a
number is evenly divisible by 5? - answer %
A variable should hold the names of all past U.S.
presidents. Which data type should the variable
be? - answer String array
A variable should hold a person's height in meters.
Which data type should the variable be? - answer
Float
A program uses the number of seconds in a minute
in various calculations. How should the item that
holds the number of seconds in a minute be
declared? - answer Constant integer
secondsPerMinute
, A program determines if a user's age is high
enough to run for U.S. president. The minimum age
requirement is 35. How should the item that holds
the minimum age be declared? - answer Constant
integer minAge
Given integer x = 3 and integer y = 5.What is the
value of the expression (x / 2.0) + y? - answer 6.5
Given float x = 10.2 and float y = 1.0.What is the
value of the expression x / y? - answer 10.2
What kind of operator is the == in the expression i
== 20? - answer Equality
What is the purpose of parentheses () in a
programming expression? - answer To group
expressions
Given float x = 3.0. Which expression evaluates to
2.0? - answer x / 2 + 0.5 /2 + .25
Which expression represents all the values of x,
when x is the age ranging from 18 to 24 years old?
- answer (x >= 18) and (x <= 24)
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