Answer:
C
Step-by-step explanation:
Attachment
Answer:
54
Step-by-step explanation:
to evaluate substitute b = 18 into 3b
3b = 3 × 18 = 54
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
Answer: Number one is C and number two is B
Answer:
I think the answer is -
Step-by-step explanation:
thats the answer i got in math.way