Question

b) 9,831=9831/10^n
c) 0,4=N/100
d) 0,45=n/10^3 va rog din suflet

Answer 1

9,831=9831/10^n
9,831 *10ⁿ =9831
10ⁿ=9831 : 9,831
10ⁿ=1000
10ⁿ=10³
n=10

0,4=n/100
0,4*100=n
n=40

0,45=n/10^3
0,45*1000=n
n=450