What is (8.5 ×10^{7})(1.2×10^{3} )? Use correct scientific notation

In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved decimal.

(8.5 ×10^{7})(1.2×10^{3} )

= (8.5×1.2)(10^{7}×10^{3})

= 10.2×10^{10}

= 1.02×10^{11}