(m+6) + (4m+2)
Add 4m to m while adding 2 to 6
Final Answer: 5m+8
The answer is 2.9 x 10^-3. You can just divide 5.8 and 2. You get 2.9. After when ever you are Dividing exponents you have to subtract the power. So (-6)-(-3) is just -3. So when you put it together you get 2.9 x 10^-3
C is the crecct answer do to u mult. 3ed power to 7 to get 21 and th same