20 years.
No Actually... x^(-y) is equal to 1/x^y. 2^(-2) is equal to 1/2^2 which is equal to 1/4 or 0.25.
isosceles
1/2 is equal to .5.
17
They are equal 2^4 and 4^2 both equal 16.
Yes
1 decade equals 10 years. So 2 decades is equal to 20 years.
1/2
Twenty decades is equal to 200 years, since one decade is 10 years. Two centuries is also equal to 200 years, as one century is 100 years. Therefore, 20 decades is equal to 2 centuries, meaning they are neither greater nor less than each other; they are equal.
100,000 decades is equal to 1,000,000 years.
260 years equal two centuries and six decades.
Two millennia is equal to 200 decades.
5 decades
8 times 10 years make 80 decades because 10 decades tines 8 decades will equal 80. (Hint:10 decades equals 1 year.)
One decade is equal to 10 years. Therefore, 5 decades is equal to 5 x 10 = 50 years.
equal
Two and a half centuries equal 250 years. Since one decade is 10 years, you can calculate the number of decades in 250 years by dividing 250 by 10. This results in 25 decades.