taylork971 taylork971
  • 06-02-2021
  • Mathematics
contestada

Which expression is equivalent to 9^-2?
O-81
O-18
O1/81
O1/18

Which expression is equivalent to 92 O81 O18 O181 O118 class=

Respuesta :

ShomiliPal07
ShomiliPal07 ShomiliPal07
  • 11-02-2021

Answer:

Option C - 1/81

Step-by-step explanation:

9^(-2) = 1/(9^2) [ Because a^(-m) = 1/(a^m) ]

so, 1/(9²) = 1/81.

Hope this helps you.

Answer Link

Otras preguntas

A train travels 225 kilometers in 2.5 hours. What is the train’s average speed?
Which of the following types of algae would be predominantly green in color? a. chlorophyta b. chrysophyta c. phaeophtya d. rhodophyta
Which substance—wood or steel—is the better conductor? A conductor is a material that requires very little heat energy to experience a change in temperature. Ex
Which of the following was NOT true of the British position in the American Revolution? (A) The war was unpopular in Great Britain. (B) The hit-and-run tactics
The principle of separate but equal was established by (A) Brown v. Board of Education (B) Wesbery v. Sanders (C) Plessy v. Ferguson (D) Regents of University o
Write an algebraic expression for 15 decreased by twice a number
A man travels for 6 hours at a rate of 50 miles per hour. His return trip takes him 7 1/2 hours. What is his average speed for the whole trip?
Which of the following was NOT true of the British position in the American Revolution? (A) The war was unpopular in Great Britain. (B) The hit-and-run tactics
A square kitchen has an area of 100 square feet. What is the kitchen's perimeter? a. 50 feet b. 80 feet c. 40 feet d. 4 yards
What area did Jacques Cartier explore?