Explicație pas cu pas:
2. 1=2⁰
2=2¹
4==2²
8=2³
3. 1=10⁰
10-10¹
100=10²
1000=10³
10000=10⁴
4.56=50+6=5×10¹+6×10⁶
83=80+3=8×10¹+3×10⁰
138=100+30+8=1×10²+3×10¹+8×10⁰
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Explicație pas cu pas:
2. 1=2⁰
2=2¹
4==2²
8=2³
3. 1=10⁰
10-10¹
100=10²
1000=10³
10000=10⁴
4.56=50+6=5×10¹+6×10⁶
83=80+3=8×10¹+3×10⁰
138=100+30+8=1×10²+3×10¹+8×10⁰