1.2851×10211.2851 \times 10^{21}1.2851×1021
1.1256×10211.1256 \times 10^{2 1}1.1256×1021
1.2134×10211.2134 \times 10^{21}1.2134×1021
1.1981×10211.1981 \times 10^{21}1.1981×1021