Hot lead with a mass of 200.0 g of (Specific heat of Pb = 0.129 J/g˚C) at 176.4˚C was dropped into a calorimeter containing an unknown volume of water. The temperature of the water increased from 21.7˚C to 56.4˚C. What volume of water is in the calorimeter?

in scientific notation, the value of the  speed of light in a vacuum

  will be written as 2.995 * 10^8. when this value is represented in the form of

  a * 10^b, then, a = 2.995 and b = 8.

the value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. in this case, the scientific notation will be written as 3 *10^8.

since electrons are negative the answer is neagtaive

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explanation:

answerlinnaeus;