2, 1(52) przedstaw w postaci ułamka zwykłego
Przedstaw w postaci notacji wykładniczej
Na dziś
-15^1/3 : (-6)^1/3 * 9^1/5 * (-27)^1/5 = (15/6)^1/3 *3^2/5 * (-3)^3/5= (15/6)^1/3 * (-3)^1= (-3PIERW3stopnia z 20)/2
zad2. 2,1525252.... =x |*10
21,525252.....=10x |*100
2152,5252.....=1000x
2131+ 21,525252 = 1000x
2131 +10x=1000x
1000x-10x=2131
990x=2131 |:990
x=2131/990
zad 3 2,7*10^-9
9,8*10^-15
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-15^1/3 : (-6)^1/3 * 9^1/5 * (-27)^1/5 = (15/6)^1/3 *3^2/5 * (-3)^3/5= (15/6)^1/3 * (-3)^1= (-3PIERW3stopnia z 20)/2
zad2. 2,1525252.... =x |*10
21,525252.....=10x |*100
2152,5252.....=1000x
2131+ 21,525252 = 1000x
2131 +10x=1000x
1000x-10x=2131
990x=2131 |:990
x=2131/990
zad 3 2,7*10^-9
9,8*10^-15