Respuesta :

Answer:

5.21 * 10^4.

Step-by-step explanation:

There are 4 more digits after the 5 so it is:

5.21 * 10^4.

[tex]52100 = 521 \times {10}^{2} = \\ [/tex]

[tex]5.21 \times {10}^{2} \times {10}^{2} = 5.21 \times {10}^{4} = \\ [/tex]

[tex]10 \times {10}^{4} = {10}^{5} [/tex]