Compare 9 times 10 to the forth power with 3 times ten to the second power

9x10^4 = 65,610,000        3x10^2 = 900

Step-by-step explanation:

9 times 10 to the fourth power is greater than 3 times 10 to the second power by 65,609,100.

y = 52.02

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos theta = adj/ hyp

cos y = 8/13

Take the inverse cos of each side

cos ^-1 cos y = cos ^-1 ( 8/13)

y =  cos ^-1 ( 8/13)

y = 52.02012756

To the nearest hundredth

y = 52.02