5.2 × 10^7 + 7.25 × 10^6 + 1.8 × 10^7=?
Sci. Notation... answer?
5.2 × 10^7 + 7.25 × 10^6 + 1.8 × 10^7
=5.2 × 10^7 + 0.725 × 10^7 + 1.8 × 10^7
=(5.2 + 0.725 + 1.8 )× 10^7
=7.725*10^7
