Respuesta :

Answer:

2.45 x 10^5 hope this helps.

Answer:

2.45 × 10⁵

Step-by-step explanation:

The answer is 2.45 × 10⁵

7(3.5 × 10⁴) = 7 * 3.5 × 10⁴

                  = 24.5 × 10⁴

                  = 2.45 × 10 × 10⁴

                  = 2.45 × 10¹⁺⁴

                  = 2.45 × 10⁵