The wavelength of blue light in a spectrum is about 0.0000005 meters. Which number best approximates this length as a power of 10?

5x10^7

Step-by-step explanation:

There are 7 0's, and there is no negative numbers.

i need points

step-by-step explanation:

sorry bubs

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x