Answer:
As the height increases, the temperature decreases.
It is decreasing 5°C per kilometer.
At the height 8 km the temperature is 0°.
Answer:
Step-by-step explanation:
There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

The car's speed is 90 km/h.
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In 2 hours, the car will travel ...
distance = speed · time = (90 km/h)(2 h) = 180 km
Answer:
0.00236
Step-by-step explanation:
Move the decimal left 3 times as the exponent is negitiave 3
Answer:
8
Step-by-step explanation:
1 + 2(2*2) - 1
1 + 2(4) - 1
1 + 8 -1=8
Answer:
4^1
Step-by-step explanation:
10^0 = 1 ( By Zero exponent property)
4^1 = 4
1×10^0 = 1×1 = 1
1^4 = 1×1×1×1 = 1