The product of the fourth and sixth prime numbers is 91.
one sixth will be lesser than one fourth
There hasn't been a fourth or fifth yet. The fourth one is in production. A sixth one is unlikely.
1/4 to the sixth power (0.256) equals 0.0002
eighth and sixth
no..
Nope
Yes and a fifth, and a sixth...
1
6^4 = 1,296
Why did long-distance trade decline in China between the fourth and sixth centuries?
Yes