0
'\${3 x 10^{-8}} '
'\${1,7 x 10^{7}} '
'\${3,1 x 10^{-5}} '
'\${1,3 x 10^{-8}} '
'\${7 x 10^{8}} '
'0,00000003'
'17000000'
'0.000031'
'0,000000013'
'700000000'
'70000000'
'0,00000013'
'0,000000003'
'\${(3 x 10^{-8})(3 x 10^{8})}'
'\${\frac{3 x 10^{-8}}{3 x 10^{8}}}'
'\${(3 x 10^{-8})+(3 x 10^{-8})}'
'\${(3 x 10^{-8})-(3 x 10^{-8})}'
'\${(3 x 10^{-8})(3 x 10^{-8})}'
'9'
'\${10^{-16}} '
'\${6 x 10^{-8}}'
'0'
'\${9 x 10^{-16})'
'\${6 x 10^{-16}}'
'1'
'\${1 x 10^{0}} '
'(\${9 x 10^{16})'