Respuesta :

its either 9.6 x 1021 or 9.6x1022
hope this helps

Answer:

9.6 × [tex]10^{21} )[/tex].

Step-by-step explanation:

Given : Multiply [tex](2.4 * 10^{14} ) * ( 4 *10^{7} )[/tex].

To find :  Express the answer in scientific notation.

Solution : We have given that

[tex](2.4 * 10^{14} ) * ( 4 *10^{7} )[/tex].

Combine the like terms

(2.4 * 4 )( [tex](10^{14} ) (10^{7} )[/tex].

By the exponent same base rule : if the base of two exponent are same then exponent will be add.

9.6 × [tex]10^{14 + 7} )[/tex].

9.6 × [tex]10^{21} )[/tex].

Therefore, 9.6 × [tex]10^{21} )[/tex].