kaydenpowell69
kaydenpowell69 kaydenpowell69
  • 06-05-2019
  • Mathematics
contestada

Elvaluate b^-3 for b=3
A. 27
B. 1/9
C. 1/27
D. -27

Respuesta :

jimrgrant1 jimrgrant1
  • 06-05-2019

Answer:

C

Step-by-step explanation:

Using the rule of exponents

• [tex]b^{-m}[/tex] ⇔ [tex]\frac{1}{b^{m} }[/tex], thus

[tex]3^{-3}[/tex] = [tex]\frac{1}{3^{3} }[/tex] = [tex]\frac{1}{27}[/tex] → C

Answer Link
prosborough198p2ub41
prosborough198p2ub41 prosborough198p2ub41
  • 06-05-2019

Answer: C 1/27

b^-3 and b=3

So we have 1/b^3= 1/3^3= 1/27

Answer Link

Otras preguntas

Please help me solve this question. Tell the method too
6. What is the center and the radius ( x + 1)^2 + (y - 5)^2 = 2^2 Center (-1,-5) radius= 2 Center (1,-5) radius= 2 Center (-1, 5) radius= 4 Center (-1, 5) radiu
PLEASE HELP ASAP WILL GIVE BRAINLY
The Berlin Wall was built to
Plsss help me anyone
Shown is a triangle. The three angles add up to give 180° (a) Write down an equation for this information (b) Solve your equation to find x
helppppppppppppppppppppppppppp
What is the cost for gas if gas is $2.40 and my car gets 39 miles a gallon and am goin on a road trip that lasts 16 days
What happens to the energy of a rubber band when it is stretched?
how many millimeters are in 6 decimeters ​