Question

Which is the correct simplification of 2.2x10^4/8.8x10^9 written in scientific notation

025x10^5
2.5x10^6
0.25x10^-5
2.5x10^-6

Answer 1

Expression is: 2.2 × 10⁴ / 8.8 × 10⁹
= 1 × 10⁴ / 4 × 10⁹
= 0.25 × 10⁴⁻⁹
= 0.25 × 10⁻⁵
= 2.5 × 10⁻⁶

In short, Your Answer would be: Option D

Hope this helps!