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Brums [2.3K]
3 years ago
6

Find the simplified form of the expression. Give your answer in scientific notation. (3x10^8)(9x10^7)

Mathematics
1 answer:
Burka [1]3 years ago
5 0
27, 10^ 15
Hope it helps!
#MissionExam001
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Rewrite the radical as a rational exponent. the fourth root of 7 to the fifth power 7 to the 5 over 4 power 720 7 7 to the 4 ove
adoni [48]
I don't understand what you mean by "720 7 7 to the 4 over 5 power", but for "<span>the fourth root of 7 to the fifth power 7 to the 5 over 4 power</span>" it would be 7^5 (seven to the power of 5)
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3 years ago
For a and b, write an equation in slope-intercept form that meets the given criteria
MariettaO [177]

Answer:

A) y = -2x

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Step-by-step explanation:

A) you need to have a negative 'x' coefficient and no y-intercept

B) you need to have a positive 'x' coefficient and a negative y-intercept

8 0
2 years ago
Select the description that is true of the equation y=-5x+5 .
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In y = mx + b form, the slope is in the m position and the y intercept is in the b position.

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3 0
3 years ago
on jan 22 0217 the cost to mail a letter in the us was raised from 47 to 49 centrs. find the relative change in the cost
Nikolay [14]

The relative change is 2%.

<h3>What is relative change?</h3>

In contrast to the reference value, the absolute change's size is expressed as a fraction called the relative change: relative change = absolute change reference value = new value reference value reference value. The absolute change is expressed as a percentage of the value of the indicator in the prior period, or "relative change" expresses the absolute change as such. When measuring indicators in percentage terms, such as the unemployment rate, absolute and relative change principles also apply. To determine the absolute change, subtract the starting value from the ending value. Simply deduct 1,000 from 1,100 to arrive at 100 in the example. The student population increased by 100 pupils throughout the course of the year because this is the absolute change.

To know more about relative change ,visit:

brainly.com/question/20610028

#SPJ4

5 0
1 year ago
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Hello,

u_{0} =a\\&#10; u_{1} =a*r\\&#10; u_{2} =a*r^{2}=-6\\&#10; u_{3} =a*r^{3}\\&#10; u_{4} =a*r^{4}\\&#10; u_{5} =a*r^{5}=162\\&#10;....\\&#10;\boxed{ u_{n} =a*r^{n}} \\&#10;&#10;\dfrac{ 162}{-6} = \dfrac{ u_{5} }{ u_{3}} = \dfrac{ a*r^{5}}{ a*r^{2}} =r^3= -27\\&#10;==\ \textgreater \  r=-3\\&#10;&#10; u_{2} =a*r^{2}=-6=a*(-3)^2 \ ==\ \textgreater \  a=-\frac{6}{9} =-\frac{2}{3}\\&#10;&#10;&#10;\boxed{ u_{n} =-\frac{2}{3}*(-3)^{n}=(-1)^{n+1}*2*3^{n-1}} \\&#10;&#10;
8 0
4 years ago
Read 2 more answers
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