Answer:
true
Step-by-step explanation:
Answer:
6*10^-3 > 5*10^-3
Step-by-step explanation:
![6*10^{-3}\\6*\frac{1}{10^{3} }\\6*\frac{1}{1000}\\\frac{6}{1000}=\frac{3}{500}=0.006](https://tex.z-dn.net/?f=6%2A10%5E%7B-3%7D%5C%5C6%2A%5Cfrac%7B1%7D%7B10%5E%7B3%7D%20%7D%5C%5C6%2A%5Cfrac%7B1%7D%7B1000%7D%5C%5C%5Cfrac%7B6%7D%7B1000%7D%3D%5Cfrac%7B3%7D%7B500%7D%3D0.006)
![5*10^{-3}\\5*\frac{1}{10^{3} }\\5*\frac{1}{1000}\\\frac{5}{1000}=\frac{1}{200}=0.005](https://tex.z-dn.net/?f=5%2A10%5E%7B-3%7D%5C%5C5%2A%5Cfrac%7B1%7D%7B10%5E%7B3%7D%20%7D%5C%5C5%2A%5Cfrac%7B1%7D%7B1000%7D%5C%5C%5Cfrac%7B5%7D%7B1000%7D%3D%5Cfrac%7B1%7D%7B200%7D%3D0.005)
0.006>0.005, therefore, 6*10^-3>5*10^-3
Answer:
15.83
Step-by-step explanation:
13.11 / 100 = 0.1311
0.1311*5=5%=0.6555
13.11+0.6555=13.7655
13.7655/100=0.137655 * 15 -->15%=2.064528
13.7655+2.064528=15.830325
Hi there!
a. 8x^2 - 1
(x^2 - 4x + 5) + (7x^2 + 4x - 6)
= x^2 + 7x^2 - 4x + 4x - 1
= 8x^2 - 1
b. 5x^2 + 7x - 7
(7x^2 + 4x - 6) - (2x^2 - 3x + 1)
= 7x^2 + 4x - 6 - 2x^2 + 3x - 1
= 7x^2 - 2x^2 + 4x + 3x - 6 - 1
= 5x^2 + 7x -7
Hope this helps!