Answer:
x+4/2=9 x=14
Step-by-step explanation:
14+4=18 and 19/2 is equal to 9. Therefore the answer is 14.
Remember property of exponents

add exponents of same base
ok so
50,000 is 5 times 10^4
so
50000 times 10^15=
5 times 10^4 times 10^15=
5 times

=
5 times 10^19
We can’t see the graphs ;-;
4.2 because it has a box around the corner that makes it whole