Convert 3.875×109 meters to kilometers. Express the answer to the exact decimal place.
Note: 1 kilometer is equal to 1,000 meters.
(1 point)
km
To convert from meters to kilometers, divide the given value by 1,000:
3.875×10^9 meters / 1,000 = 3.875×10^6 kilometers
Therefore, 3.875×10^9 meters is equal to 3.875×10^6 kilometers.
Convert 4.083×106 kilometers to meters. Express the answer to the exact decimal place.
Note: 1 kilometer is equal to 1,000 meters.
(1 point)
meters
To convert from kilometers to meters, multiply the given value by 1,000:
4.083×10^6 kilometers × 1,000 = 4.083×10^9 meters
Therefore, 4.083×10^6 kilometers is equal to 4.083×10^9 meters.
Ali’s farmhouse has a height of 2.307×108 meters. Convert the height to centimeters. Express your answer in scientific notation to the exact decimal place.
Note: 1 meter is equal to 100 centimeters.
(1 point)
centimeters
To convert from meters to centimeters, we need to multiply the given value by 100:
2.307×10^8 meters × 100 = 2.307×10^10 centimeters
Therefore, Ali's farmhouse height is equal to 2.307×10^10 centimeters.
Alberto added two very small numbers using a calculator. The calculator displayed the number 6.13E−14 . What is this number in scientific notation?(1 point)
_×10−14
The number 6.13E-14 is already in scientific notation, where the "E" represents the exponent.
Therefore, this number in scientific notation is 6.13×10^-14.
Dina computed the mass of 1,000 protons in grams. The calculator displayed the number 1.67E−21 . What is the mass of 1,000 protons in scientific notation?(1 point)
1.67 × _
grams
The number 1.67E-21 is already in scientific notation, where the "E" represents the exponent.
Therefore, the mass of 1,000 protons in scientific notation is 1.67 × 10^-21 grams.