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8.42 x 10^3, Between which of the following pairs of numbers does the above number lie? A. .0083 and .0084 B. .0084 and .0085 C. 8300 and 8400 D. 8400 and 8500

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Respuesta :

hackermcpe
8.42 x 10^3
Use PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)

Solve exponent first
8.42 x 10^3
8.42 x 1000

Solve the rest
8.42 x 1000
8420

8420 is between 
D.) 8400 and 8500
8420 is between 
D.) 8400 and 8500  tan(35)=x/12
.7=x/12
12*.7=x
x=8.4

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