Answer:

Step-by-step explanation:
using the formula below, the central angle is 20° (bc 360-180-160=20)
radius is 14 (28/2=14)



Answer:
the first one is 37
the second one is 36
the third one is 27
Step-by-step explanation:
<span>Is that supposed to be:
(a²b³)⁴
If so, the exponent of an exponent is the product of the exponents, so we end up with:
a⁸b¹²</span>
Answer:
1.37 x 10 -9
Step-by-step explanation: