Come si scrive il 30% come frazione?
Risposta:
#3/10=0.3#
Spiegazione:
Per cent means #color(blue)"out of one hundred"#
#rArr30%=30/100#
which may be simplified by cancelling by 10.
#30/100=cancel(30)^3/cancel(100)^10=3/10" as a proper fraction"#
and #3/10=3÷10=0.3" as a decimal fraction"#