3.5 X 10

________

7 x 10^-9

3.5 *10

________

7 *10^-9

1*10^9*10
_________
2

1*10^10
_______
2

0.5*10^10=0.5*10,000,000,000=5,000,000,000

To find the result of dividing 3.5 x 10 by 7 x 10^-9, follow these steps:

Step 1: Evaluate the division of the numeric values (3.5 divided by 7), which gives you 0.5.

Step 2: Multiply the exponent of the denominator (10^-9) by the exponent of the numerator (10), which results in 10^-9 + 10, which simplifies to 10^-9+10 = 10^1.

Step 3: Convert the result from step 2 to scientific notation: 10^1 = 10.

Step 4: Multiply the numeric value from step 1 (0.5) by the result from step 3 (10). This gives you the final result of 0.5 x 10 = 5.

Therefore, the answer to 3.5 x 10 divided by 7 x 10^-9 is 5.