Respuesta :

[tex]5.5\times 10^9\cdot 2.3\times 10^7\implies (5.5\cdot 2.3)\times 10^910^7 \\ \quad \\ \textit{recall the exponent rules} \\ \quad \\ (5.5\cdot 2.3)\times 10^910^7\implies (5.5\cdot 2.3)\times 10^{9+7}[/tex]

Answer:

Step-by-step explanation:

So 5.5 x 10^9 times 2.3 x 10^7 would equal to 126 500 000.