Answer:
1. 9
2. 10
Step-by-step explanation:
idk if those first 2 are right
Checitgimytgg 4567 friend
for number 19, figure out the exponents then multiply.
for scientific notaintion you figure out how many numbers are behind the decimal , then do that number as an exponient to 10 then multiply by that number. i hope i made a bit of sense. if not look at kahn academy for help !
Answer: It might be C
Step-by-step explanation: