A mosquito has a mass of 4 x 10-5 kg. Express this number in decimal notation. Select one: a. 0.4 kg b. 40 kg c. 40,000 kg d. 0.00004 kg
A mosquito has a mass of 4 x 10-5 kg. This number in decimal notation is 0.00004 kg.
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The mass of the average car is about 1800 kilograms. Express this number in scientific notation. Select one: a. 18 x 102 kg b. 1.8 x 103 kg c. 18 x 10-2 kg d. 1.8 x 10-3 kg
Updated 7/18/2020 2:40:47 AM
1,800 kg. = 1.8*10^3 kg.
Suppose a cell phone is operating at a frequency of about 820,000,000 per second. What is this number in scientific notation? Select one: a. 8.2 x 100 per second b. 8.2 x 106 per second c. 8.2 x 10-6 per second d. 8.2 x 108 per second
Updated 3/8/2016 12:48:16 PM
Suppose a cell phone is operating at a frequency of about 820,000,000 per second. Its value in scientific notation is 8.2 x 10^8 per second
Confirmed by Andrew. [3/8/2016 7:09:27 PM]
39,049,015
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