2 years ago

Which answer choice shows the number 5.16×10−3 in standard form?

Mathematics

2 answers:

aleksandrvk [35]2 years ago

6 0

A, because it’s 10 to the power of -3 so you move the decimal 3 places up and put zeros in the empty spots.

IceJOKER [234]2 years ago

5 0

Sorry guess I don’t know then

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victus00 [196]

Step-by-step explanation:

the sign - "<" correctly compares this ( -35__-23).

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2 years ago

The value pie/2 is a solution for the equation 2sin^2x-sinx-1=0<br><br> true or false

Rasek [7]

Answer:

Yes, $\frac{\pi }{2}$ is a solution

Step-by-step explanation:

Recall that $sin(\frac{\pi }{2})=1$ . By replacing $\frac{\pi }{2}$ in the given trigonometric equation, we get 0 (zero) as a result, so this value is a solution:

$2*(sin(\frac{\pi }{2} ))^2-sin(\frac{\pi }{2})-1= 2*(1)^2-1-1=2-2=0$

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3 years ago

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3 years ago

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vivado [14]

Answer:

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Step-by-step explanation:

The Associative has to do with re-grouping numbers. There are only two numbers so this does not apply here. Commutative is where you change the order; that's what the equation is demonstrating.

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3 years ago

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Oduvanchick [21]

700 + 80 + 2^2?

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3 years ago

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