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olya-2409 [2.1K]
3 years ago
6

Evaluate. (1/4)^-2 - (5^0x2) x 1^-1

Mathematics
1 answer:
blondinia [14]3 years ago
4 0

Answer:

  14

Step-by-step explanation:

Arithmetic expressions are best evaluated using a reliable calculator. The Google calculator always follows the Order of Operations, so can give you a good answer to such questions.

  (1/4)^-2 - (5^0)(2)(1^-1)

  = 16 - (1)(2)(1) . . . . evaluate the exponents first

  = 16 -2 . . . . . . . . . evaluate the product next

  = 14 . . . . . . . . . . . finally, evaluate the sum

___

The rule of exponents is ...

  a^-b = 1/(a^b)

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