The wavelength of yellow light in a spectrum is about 0.00002 inches. Which number best approximates this length as a power of 10?

A. 2 x 105

B. 2 x 10-4

C. 2x 10-5

D. -2 x 105

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]