rossijoseph814 rossijoseph814
  • 11-08-2020
  • Mathematics
contestada

Which expression is equivalent to 73 ⋅ 7−5? 72 77 1 over 7 to the 2nd power 1 over 7 to the 7th power

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 21-08-2020

Answer:

  1/7^2

Step-by-step explanation:

The applicable rules of exponents are ...

  (a^b)(a^c) = a^(b+c)

  a^-b = 1/a^b

__

Then your expression simplifies to ...

  [tex]7^3\cdot 7^{-5}=7^{3-5}=7^{-2}=\boxed{\dfrac{1}{7^2}}[/tex]

Answer Link
EthanY2306
EthanY2306 EthanY2306
  • 23-10-2020

Answer:

The answer is 1/7^2

Step-by-step explanation:

I took the test lol

Answer Link

Otras preguntas

let f(x)=2x-6. solve f^-1(x) when x=2.
Six nickels is what percent of one dollar? What percent of $2.00 would it be? Please help.
Helen Grey By Christina Georgina Rossetti Because one loves you, Helen Grey, Is that a reason you should pout, And like a March wind veer about, And frown, and
what value of a makes the equation true? 9a+2=4a-18
what is the GCF of 12x and 44xy
What are some key words to use in writing and evaluation?
Lim[(sqrt(cos(2x))-cubicrootof(cos(x))]/arctg(x^2) when x->0
If a 35 ft rope is cut into two sections with one section 6 times as long as the other section, how long is the shorter piece?
If a store credit account charges 1.5% interest each month, what is the APR?
Six nickels is what percent of one dollar? What percent of $2.00 would it be? Please help.