Rational and Irrational #1

label Mathematics
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schedule 1 Day
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Evaluate the expression 8 e-2 x 4 e0

(Tip: e stands for exponent)

a. 16

b. 64

c.  -64

d. 1/64

Write  5 e2 x 5 e-1 x 5 e3  as a single exponent.

a. 5 e4

b. 5 e-6

c. 5 e5

d. 5 e2

What is 8.57 x 10 e-4 in standard form?

a. 85700

b. 0.00857

c. 8570000

d. 0.000857

Oct 1st, 2014

8^(-2)* 4 ^0= 1/8^2*1=1/64

Option d. 1/64

5^2*5^(-1)*5^3= 5^(2-1+3) =5^4

Option a

8.57 * 10^-4 = 8.57/10^4= 8.57/10000= .000857

Option d

Oct 1st, 2014

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