[tex]\\ \sf\longmapsto 3\times 10^4\times 4\times 10^{23}[/tex]
[tex]\\ \sf\longmapsto 3\times 4\times 10^4\times 10^{23}[/tex]
[tex]\\ \sf\longmapsto 12\times 10^{23+4}[/tex]
[tex]\\ \sf\longmapsto 12\times 10^{27}[/tex]
Answer:
[tex](3 \times {10}^{4} )(4 \times {10}^{23} ) \\ 3 \times 4 \times {10}^{4 + 23} \\ = 12 \times {10}^{27} [/tex]
