Answer:
3.179806 x 

Explanation:
(6.958 x 
)(4.57 x 
)
(6.958 x 4.57)(
 x 
)
31.79806 x 
 When you have powers with the same base, you add the exponents when multiplying.
This is still not in scientific notation because 31.79806 is 1 or larger, but less than 10
31.79806 = 3.179806 x 

3.179806 x 
 x 
 = 3.179806 x 
  When you have powers with the same bases, you add the exponents when multiplying.