Question

HELP! WILL GIVE MEDAL!!
what is the simplest form of each expression?
1/c^-5
A)C^5
B)5^C
C)-C^5
D)-5/c

Answer 1

1/ c^-5 = 1/(1/c^5) = c^5

Letter A

Answer 2

are u sure?

Answer 3

Yes

Answer 4

are u good at this stuff? because im really bad at it. and if so could you answer a few more?

Answer 5

@summertime Oh sure :)

Answer 6

okay thank u so much!

Answer 7

what is the value of y^-5/x^-3 when y=-4 x=2

A)10/3
B)128
C)-1/128
D)-128

Answer 8

(1/y^5) / (1/x^3)
Substitute the values.
(-1/1024)/(1/8)= -8/1024 = -1/128

C

Answer 9

Just remember that when the term has a negative exponent, you raise it to that exponent but put it in the denominator.

For example, 2^2 = 4 but 2^-2 = 1/4

Answer 10

is the number written in scientific notation? if not explain
5.1*10^8
A) yes, the number is written in scientific notation
B) no, the first factor is not a number between 1 and 10
C) no, it is not written as a number times a power of 10

Answer 11

A

Answer 12

what is the number written in standered notation 5.71*10^-3

A)-171.3
B)0.0571
C)0.000571
D)0.00571

Answer 13

D

Answer 14

You multiply 5.71 by 1/1000.

Answer 15

what is the expression written using each base only once?
(-4)^-6*(-4)^7
A)4^13
B)-4
C)13
D)1

Answer 16

I don't understand the question... sorry.

Answer 17

can you check this for me and see if im right?
(3*10^6)(8*10^-4)
A)1.1*10^3
B)2.4*10^3
C)1.1*10^-23
D)2.4*10^-23

I put B

Answer 18

@raechelvictoria
(3q^2)^4

A)3q^16
B)81q^6
C)3q^8
D)81q^8

I put b but im not to sure about this one.

Answer 19

Its letter D.

Answer 20

It becomes (3^4)([q^2)^4]

Answer 21

can you help me with just 2 more??? please!

Answer 22

t^8(t^10)^0
A)t^-80
B)t^80
C)t^8
D)t^-8

Answer 23

Okay sure :)

C because (t^10)^0 becomes t^0 which is 1.

Answer 24

last one!
(3xy^3)^2(xy)^6
A)9x^8y^12
B)3x^8y^12
C)2x^3y12
D)9x^8y^9

Answer 25

@raechelvictoria

Answer 26

A