$3,5 \cdot 10^{7} \cdot 4,3 \cdot 10^{-5}$
\(\boxed{1505}\)
Step 1 :Rewrite the numbers in scientific notation: \(3.5 \cdot 10^{7}\) and \(4.3 \cdot 10^{-5}\)
Step 2 :Multiply the coefficients and add the exponents: \((3.5 \cdot 4.3) \cdot 10^{7-5}\)
Step 3 :Calculate the result: \(15.05 \cdot 10^{2}\)
Step 4 :\(\boxed{1505}\)