Question

Which expression is equivalent to 2^4 ⋅ 2^−7?

1 over 2 to the power of 11
1 over 2 to the power of 3
2^3
2^11

Answer 1

@Frozen15

Answer 2

@xapproachesinfinity

Answer 3

what were you thinking as an answer or guess?

Answer 4

i figured that's what you meant

Answer 5

i dont know how to do 2 to the power of negative seven

Answer 6

\(2^4.2^{-7}=2^{4-7}\)

Answer 7

the property been used is \(a^na^m=a^{a+m}\)

Answer 8

simplify that

Answer 9

i understand that

Answer 10

but how do i do it to the power of a negative

Answer 11

ok tell me what diid you get for that first

Answer 12

2 to the power of 4 ?

Answer 13

no how come?
4-7=-3
so it will be 2^-3

Answer 14

negative seven

Answer 15

you forgot how to add numbers

Answer 16

4 - (-7) equals -3

Answer 17

i dont understand how

Answer 18

see what is says there 2 raised to 4-7
that means do the addition of 4-7 to get -3
so 2^-3

Answer 19

4 - (-7) equals 4 + 7

Answer 20

so 11

Answer 21

now you got \(2^{-3}\)
you can use this rule \(a^{-n}=1/a^n\)

Answer 22

it cant be negative three

Answer 23

how do u have a smart score of 94 if you don-t know this

Answer 24

no where did you get that other negative in the middle
don 't just write things up from your head
we are given 4-7 which equals -3

Answer 25

because i'm dumb, if i know i would be ignorant

Answer 26

i said 2 to the power of negative seven

Answer 27

yes and that gives 2^4 times 2^-7 equals 2^ (4-7)

Answer 28

the rule is described above

Answer 29

i don't have that as an option

Answer 30

i am doing multiple choice

Answer 31

it has to be 11

Answer 32

we are getting there

Answer 33

idk how

Answer 34

i was trying to explain but you accused me of not been capalble of my smart score

Answer 35

how did u get negative three from 4 and negative seven

Answer 36

first we obtain 2^-3 from 2^(4-7)
now 2^-3 =1/2^3

Answer 37

you lost you marbles

Answer 38

you owe me 4 dollar and i owe you 7
the result is that i still owe you 3

Answer 39

right now your head is a piping jalapeno

Answer 40

that explain why 4-7=-3

Answer 41

negative 7

Answer 42

4 minus negative seven

Answer 43

4 - (-7)

Answer 44

what don't u understand by negative seven

Answer 45

is it in your vocabulary

Answer 46

cmon