we know that
\(0.056= 56*10^{-3}\\ 0.73=73* *10^{-2}\)
so
\(0.056*0.73=56*10^{-3}*73*10^{-2}\)
\(=(10^{-5})*(56*73)\)
\(=(10^{-5})*[(50+6)*(70+3)]\)
\(=(10^{-5})*[(3,500+150+420+18)]\)
\(=(10^{-5})*[(3,500+588)]\)
\(=(10^{-5})*[(4,088)]\)
\(=0.04088\)
therefore
the answer is
\(=0.04088\)
