Question

what are the powers of three that are in range 3 to 1000

Answer 1

1.3220708194808066368904552597521e+477 

or about 1.322 x 10^477 

BIG 

Actually, we say 3 to the power of 1000 

The reverse 1000 to the power of 3 is one thousand million (british) or one billion (u.s.) = 1,000,000,000 (much smaller)