Question

What is the value of the expression 1/3-5 ?

A.
243

B.
15

C. 1/15


D. 1/243

Answer 1

@imqwerty

Answer 2

you need to calrify the equation a bit

use brackets or use ^ to represent "power of"

Answer 3

what do you think

Answer 4

b

Answer 5

why?

Answer 6

idk im guessing

Answer 7

well its not b

Answer 8

c

Answer 9

this is maths - guessing doesn't work

don't 'TRY again' - work it out

can you write 3^-5 in another way

Answer 10

a

Answer 11

\[3^{-a} =\frac{ 1 }{ 3^{a} }\]

so can oyu write that using 5 for a

Answer 12

@mathman101
please read you own posts and see if they are contributing anything....

Answer 13

to get the symbol for exponent shift the number 6 key