math
posted by lujane .
how do i
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!

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
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