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 !
The answer is -42 just just multiply
2x+3 = 4x+7
-4 = 2x
x = -2
The answer is “12p+10”
4p+8p+10
12p+10
Answer:
Step-by-step explanation:
