2.023×10232.023 \times 10^{23}2.023×1023
6.023×10−236.023 \times 10^{-23}6.023×10−23
6.023×10236.023 \times 10^{23}6.023×1023
2.023×10−232.023 \times 10^{-23}2.023×10−23