Arrange the following prefixes in descending order: peta, atto, exa and femto

Question

Arrange the following prefixes in descending order: peta, atto, exa and femto (A) femto, atto, peta, exa (B) peta, exa, femto, atto (C) exa, peta, femto, atto (D) atto, femto, peta and exa.

Tardigrade Admin · Accepted Answer

exa, E = 1018 peta, P = 1015 femto, f = 10-15 atto, a = 10-18

Q. Arrange the following prefixes in descending order:
peta, atto, exa and femto

femto, atto, peta, exa

peta, exa, femto, atto

exa, peta, femto, atto

atto, femto, peta and exa.

exa, E = $1 0^{18}$
peta, P = $1 0^{15}$
femto, $f = 1 0^{- 15}$
atto, a = $1 0^{- 18}$

Q. Arrange the following prefixes in descending order: peta, atto, exa and femto