What is −99.85−16.98
?(1 point)
Responses
116.83
116.83
−82.87
negative 82.87
82.87
82.87
−116.83
-116.83
A city’s record high temperature is 106°F
and record low temperature is −17°F
. How much warmer is the city’s record high temperature than the record low temperature?(1 point)
Responses
−123°F
negative 123 degrees upper F
89°F
89 degrees upper F
123°F
123 degrees upper F
−89°F
123°F
You have a score of −500
points in a game. After three rounds of answering your questions correctly, you have a score of 2,700 points. What is the change in score?(1 point)
Responses
1,700 points
1,700 points
2,200 points
2,200 points
2,700 points
2,700 points
3,200 points
3,200 points
A diver is 15 feet below sea level. The diver then swims up 15 feet to the surface. Which expression shows the correct sum?(1 point)
Responses
(−15)+(−15)=−30
left parenthesis negative 15 right parenthesis plus left parenthesis negative 15 right parenthesis equals negative 30
(−15)+(−15)=0
left parenthesis negative 15 right parenthesis plus left parenthesis negative 15 right parenthesis equals 0
(−15)+15=0
left parenthesis negative 15 right parenthesis plus 15 equals 0
(−15)+15=30
(-15)+15=0
Which situation describes opposite quantities that when combined would equal 0?(1 point)
Responses
A diver was 30 feet below the surface and swam upward 30 feet. What is the change of elevation?
A diver was 30 feet below the surface and swam upward 30 feet. What is the change of elevation?
The hiking trail has an elevation of 60 feet above sea level and ends 60 feet below sea level. What is the change in elevation?
The hiking trail has an elevation of 60 feet above sea level and ends 60 feet below sea level. What is the change in elevation?
The low temperature was −10°
C and the high temperature was 10°C. What is the change in temperature?
The low temperature was negative 10 degrees C and the high temperature was 10°C. What is the change in temperature?
A person jumped up 10 feet in the air off a diving board. The person sank 10 feet below the water and swam to the surface. What is the distance traveled?
A diver was 30 feet below the surface and swam upward 30 feet. What is the change of elevation?
To subtract −16.98 from −99.85, you can simply subtract the decimal values.
-99.85 - (-16.98)
To subtract a negative number, you can change it to addition:
-99.85 + 16.98
Now, perform the addition:
-82.87
So, −99.85 - 16.98 equals -82.87.