Negative indices

Question 1

how would you work out 4 to the power of -3

Answer 1

you would do 4 tot eh power of -1 which is 1/4 then do it to the power of 3 = 1/64

Question 2

what is the formular for negative indices?

Answer 2

a to the power of -b = 1/a to the power of b

Question 3

2 to the power of -3

Answer 3

1/2 to the power of 3 = 1/8

Question 4

-5 to the power of -2

Answer 4

-1/5 to the power of 2= 1/25

Question 5

3/4 to the power of -2

Answer 5

4/3 to the power of 2 = 16/9

Question 6

do negative powers mean negative numbers?

Answer 6

NO

Question 7

what does to the power of -1 mean?

Answer 7

the reciprocal

Question 8

the reciprocal of 4

Answer 8

1/4

Question 9

what is the reciprocal of 6 equivalent to?

Answer 9

6 to the power of -1