Awave has a frequency of 6.1 x10^14 hz and a speed of 3.00x10^8 m/s. use the wavelength equation to calculate the wavelength.

a.2.77x10^-4 m
b.4.9x10^-7 m
c.1.83x10^23 m
d.9.91x10^8 m

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The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1