Answer: Choice A and choice C
The fractional exponent of 1/2 means that the root index is 2, which is a square root. So (13+8)^(1/2) becomes sqrt(13+8) = sqrt(21)
"sqrt" is a common abbreviation of "square root"
Answer:
0.00045
Step-by-step explanation:
450 ⇒
1 = 0.000001
= 450 = 450 × 0.000001 = 0.00045
P=kt / V
PV = kt
PV / t = k
k = PV / t