Question

4. Calculaţi puterea a treia (cubul) a următoarelor fracții zecimale:
a) 0,01;
d) 1,2;
j) 1,11;
b) 0,04;
e) 0,3;
h) 0,003;
k) 1,8;
c) 0,001;
f) 2,4;
i) 1,02;
l) 0,006.​

Answer 1

Explicație pas cu pas:

a)0,1^3=0,001 b)1,13=1,1*1,1*1,1=1,21*1,1=1,331 c)0,2^3=0,2*0,2*0,2=0,04*0,2=0,008 d)1,23=1,2*1,2*1,2=1,44*1,2=1,728 e)0,02^3=0,02*0,02*0,02=0,0004*0,02=0,000008 f)1,5^3=1,5*1,5*1,5=2,25*1,5=3,375 g)0,03^3=0,03*0,03*0,03=0,0009*0,03=0,000027 h)2,3^3=2,3*2,3*2,3=5,29*2,3=12,167 i)0,43=0,4*0,4*0,4=0,16*0,4=0,064 j)3,1^3=3,1*3,1*3,1=9,61*3,1=29,791 k)2,01^3=2,01*2,01*2,01=4,0401*2,01=8,120601 l)0,01^3=0,01*0,01*0,01=0,001*0,01=0,000001