Răspuns:
# 24755 xx 10 ^ -9 #
Explicaţie:
#((7.60*10^-5)(1.57*10^-4))/((1.00*10^-8)(4.82*10^4))#
#:. = ((7,6 x x 1/10 ^ 5) (1,57 xx 1/10 ^ 4)) /
#:. = ((7,6 xx 0,00001) (1,57 xx 0,0001)) / ((0.00000001 xx4,82 xx 10000)) #
#:. = ((0.000076 xx 0.000157)) / 0.000482 #
#:.=0.000000011/0.000482#
#:.=0.000024755#
#:. = 24755 xx 10 ^ -9 #