Two cars leave Peoria at the same time, one heading east at 70 mph and the other west at 50 mph. How long (In hr) will it take t
1 answer:
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Answer:
Step-by-step explanation:
Decrease = 97 - 75 = 22
Percentage of decrease=
= 22.68
= 23%
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
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The rule of exponents is ...
a^-b = 1/(a^b)
