hstauder2026
hstauder2026 hstauder2026
  • 20-09-2018
  • Mathematics
contestada

Multiply or divide as indicated
b^3 x b^-3

Respuesta :

gmany
gmany gmany
  • 20-09-2018

The domain: [tex]b\neq0[/tex]

Method 1.

[tex]Use\ a^n\cdot a^m=a^{n+m}\\\\b^3\cdot b^{-3}=b^{3+(-3)}=b^{3-3}=b^0=1[/tex]

Method 2.

[tex]Use\ a^{-n}=\dfrac{1}{a^n}\\\\b^3\cdot b^{-3}=b^3\cdot\dfrac{1}{b^3}=\dfrac{b^3}{b^3}=1[/tex]

Answer Link

Otras preguntas

EMERGENCY OOF HELP WITH MATH PIZZZ 5 + x^2= 2x^2+ 13 Provide steps and thanks
Find the GCF of 20 and 31. A. 1 B. 3 C. 7 D. 11
The perimeter of a rectangle is 15x + 17 y if the length is 7/2x + 7y then find the width of the rectangle A) 4x + 3/2y B) 8x + 3y C) 8x + 10y D) 4x + 3y
What characterizes that a country is in stage 2 of the demographic transition model?​
Solve z= 3x + 5xy for y
67/6 as a decimal,because im stuck
What is necessary to be a doctor assistant
The length of a rectangle is twice its breadth. If its length is decreased by 4 cm and breadth is increased by 1 cm, the area of the rectangle is increased by 1
a 50kg skater pushed by a friend accelerates 5 m/sec^2 how much force did the friend apply
true or false: in 1781, patriot spies used invisible ink?