The expression below is scientific notation for what number?

Mathematics

2 answers:

Mars2501 [29]3 years ago

5 0

Answer:

I think the answer is 0.00000824

Step-by-step explanation:

nika2105 [10]3 years ago

5 0

.00000824. just move the decimal place 6 times to the left because it’s negative. if it’s positive, bring it to the right!

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Please help me, i only have 30 mins.

Aleks04 [339]

Answer:

Width is 24, length is 40

Step-by-step explanation:

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4 0

2 years ago

-13=r/9+8<br> what is r equal to?

AURORKA [14]

Answer: r=(-189)

first you subtract both sides by 8 and get -21=r/9

then you multiply 9 with each side and get -189 = r

you can check by rewriting the problem with -189 as r and solving the equation

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3 years ago

A balloon is released from a height of 10 feet. The balloon climbs an additional 70% of its previous height as each minute passe

Ainat [17]

The initial height of the balloon is 10 feet which then increases by 70% to (10 ×1.7) = 17 feet, then to (17 × 1.7) =28.9 feet, and so fourth if the rate of increase is kept constant. Therefore, forming a geometric sequence such that to get any term in the sequence we use the formula ar∧(n-1), where a is the first term, r is the common ratio, and n is the term in the sequence. In this case a is 10 and r= 1.7 , to get the height in the fourth minute it means n =5 (for the first term there is 0 minutes, such that for 0 minutes n= 1)
Thus, 10 × 1.7 ∧ 4 = 83.521 feet.
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4 years ago

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Solve both equations for y and graph <br>-4x+y=-2<br>-6x+3y=2

JulijaS [17]

I put the solution on the paper