I don’t know how to do it,, but use photomath, it’s perfect for these type of questions
The opposite integer is -6 because if it's positive then the opposite is negative
30043——————3.0043 x 10^4
30.043—————— 3.0043 x10^1
0.0030043—————-3.0043 x 10^-3
0.30043—————-3.0043 x 10^-1
3.0043————-3.0043 x 10^0
Hope this helps please mark brainiest
Let n be the number 18=60% of n
18=0.6n
18/0.6=n
30=n
