2 years ago

What is 5.3 x 10^-9 written in standard notation?

Mathematics

1 answer:

Marat540 [252]2 years ago

8 0

Answer:0.53 x 10^ -8

Step-by-step explanation:

Just move the decimal over to the right and add 1 to the exponent.

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There are 460 students enrolled at freedom academy. 40 percent of the students are male. How many males attend Freedom academy?

arsen [322]

Answer:

184

Step-by-step explanation:

convert percentage into decimal:

40% = 40/100 = 0.4

Therefore 40% of 460 = 0.4 x 460 = 184

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3 years ago

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Someone help please

vekshin1

Steps to finding the line in the diagram with the format 'ax + by = c

1. Find the slope

To find the slope, we need any two points on the line --> (0,4) and (3,0)

$Slope = \frac{y2-y1}{x2-x1} =\frac{4-0}{0-3} =-\frac{4}{3}$

2. Set up, with any one point on the line and the slope, in point-slope form

$(y-y0)=m(x-x0)\\(y-4)=-\frac{4}{3} (x-0)\\y-4 = -\frac{4}{3} x\\\frac{4}{3}x+y = 4$

Answer: $\frac{4}{3}x+y = 4$

Hope that helps!

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2 years ago

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GEOMETRY PROBLEM HELP ME PLEASE

Anon25 [30]

Answer:

18. x=31

19.x=15

20. a. x=5 WXY= 28

b. YXZ=28

c. WXZ=56

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3 years ago

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Simplify 2x 2 - y for x = 3 and y = -2. 20 14 16 10 i need help please

disa [49]

2x^2-y

Plug in the values.

2(3)^2-(-2)

2(3)^2+2

Exponents first.

2*9+2

18+2

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The answer is 20.

I hope this helps!
~kaikers

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3 years ago

What conversions need to be performed to find the number of drops in 20ml

siniylev [52]

$1\ drop\approx65\mu l\\\\1ml=1000\mu l\\20ml=20\cdot1000\mu l=20,000\mu l\\\\20,000\mu l:65\mu l\approx308\ (drops)$

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3 years ago