cfrancisco0315 cfrancisco0315
  • 01-10-2018
  • Mathematics
contestada

Evaluate 1/x^-2 for x = 7.
A. -49
B. 1/49
C. 49

Respuesta :

gamergirl1232
gamergirl1232 gamergirl1232
  • 01-10-2018
The answer to this question is c
Answer Link
JawaZo JawaZo
  • 01-10-2018

[tex]\frac{a}{{b}^{n} } = a \times {b}^{ - n} [/tex]
Using this formula, it will become:
[tex]1 \times {x}^{2} [/tex]
Which equals 1 x 7 x 7 which is 49...
Which means the answer is c..
Answer Link

Otras preguntas

30.0 grams of magnesium is reacted wiyh 30.0 g of oxygen what mass of magnesium oxide is produced by the reactionPlsss with explanation
Write the following expression without negative exponents and without parentheses. (9x)^-1
How many milliliters of a stock solution of 2.50 M SrCl2 would you need to dilute to make 50.0 mL of 1.00 M SrCl2?
What is the role of ancient si ma?
The Civil War freed the slaves and re-established the _________. Monarchy Union Second Continental Congress Confederation
If the President disapproves of a bill, then he or she can reject it and send it back to the house of Congress in which it originated. The entire bill is reject
Do we determine our own destiny? Or is our fate predetermined for us?
Is 12/19 rational or irrational?
What is modernization?
Though I need to eat, I don’t feel hungry. is this sentence simple sentence, Compound sentence or a complex sentence?