how do i

Question

round each of the folllowing to one significant figure and then 'name' that number:

2^200
20^20

please help and thank u so much if u do!

Answer 1

my calculator says
1.6069...x10^60

= 2.0 x 10^60 rounded to one significant digit,
I would name that number as "big"

do 20^20 on your calculator