Answer:
0.002M
Step-by-step explanation:
2.7= -log(H^+)
-2.7=log(H^+)
10^-2.7 M=H^+
0.0002M=H^+
Answer: 230.4 feet
Step-by-step explanation:
arc length = circumfrance x fraction of a circle
=
x 
= 
= 230.4 feet to nearest tenth
We can create a formula first.
X will be the unknown number
840= 357+x
-357 -357
483 = x
Hope this helps
Answer:
1 + i
Step-by-step explanation:
To rationalize multiply numerator and denominator by (2 + i )

Answer: here
Step-by-step explanation:
Acute Angle - An angle less than 90 degrees. Right Angle - An angle that is exactly 90 degrees. Obtuse Angle - An angle more than 90 degrees and less than 180 degrees. Straight Angle - An angle that is exactly 180 degrees. Reflex Angle - An angle greater than 180 degrees and less than 360 degrees.