Answer:
[tex]1.17*10^{10}[/tex]
Step-by-step explanation:
wee know that
To multiply two numbers in scientific notation, multiply their coefficients and add their exponents
In this problem we have
[tex](2.6*10^{1})*(4.5*10^{8})=(2.6*4.5)*10^{1+8}=11.7*10^{9}=1.17*10^{10}[/tex]