Distributive property, since 3(2x) you distribute and get 6x
816/100
404/25
hope this helps
Answer:

Step-by-step explanation:
Exponents are basically just saying how many times the number is multiplied by itself.
In the expression
, we can see that 10 is being multiplied by itself 5 times.
So the exponent becomes 5, and the base is 10.
.
Hope this helped!
Answer:
Step-by-step explanation:
<u>It is assumed the angles A and C are congruent:</u>
- 3x + 40 = x + 50
- 3x - x = 50 - 40
- 2x = 10
- x = 5
m∠A = 3*5 + 40 = 55°