Question

solve the equation
(explain step by step) ​

Answer 1

Answer:

0..0009

Step-by-step explanation:

0.9/1000=0.9*1/1000=0.0009

Answer 2

Answer:

9×10^-4

Step-by-step explanation:

first 1/1000 written as 10^-3

now que is 0.9×10^-3

0.9 written as 9×10-1

so that (9×10^-1)×(10^-3)=9×10^(-1-3)=9×10^-4