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3 years ago

What is 0.00025 in scientific notation

Mathematics

2 answers:

Vlada [557]3 years ago

7 0

Answer:

= 2.5 × 10-4

Step-by-step explanation:

That's all there is to know right???

lys-0071 [83]3 years ago

5 0

Answer:

It would be written as: 2.5 x 10^-4.

explanation:

This is because you must have one number in front of the decimal point in scientific notation and to do that you must move it back four spaces. I hope that helps!

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3 years ago

The height, h, in feet of a ball above the ground is given by h = −16t2 + 64t + 80, where t is the time in seconds. How long doe

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Answer:

t = 5 seconds

Step-by-step explanation:

It is given that, the height h, in feet of a ball above the ground is given by :

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$-16t^2+64t+80=0\\\\t=\dfrac{-64\pm \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=\dfrac{-64+ \sqrt{(64)^2-4\times (-16)(80)} }{2\times -16},\dfrac{-64-\sqrt{(64)^2-4\times (-16)(80)} }{2\times -16}\\\\t=-1\ s\ \text{and}\ t=5\ s$

Neglecting negative time.

It means ball will take 5 seconds to hit the ground.

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Hope this helped!

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3 years ago

What is 0.00025 in scientific notation​

What is 0.00025 in scientific notation