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mina [271]
2 years ago
9

Kahn academy question:

Mathematics
1 answer:
Rufina [12.5K]2 years ago
8 0

Answer:

  2.97×10³

Step-by-step explanation:

3600 - 6.3×10² = 3600 -6.3×100 = 3600 -630 = 2970

  = 2.97×1000

  = 2.97×10³

_____

Your calculator can accept and display numbers in scientific notation.

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Andre owned a 1/4 acre lot. He wanted to construct a 120’ x 80’ tennis court on the lot. How many square feet will remain uncove
OLga [1]

The area of the tennis court is computed by multiplying the dimensions given,

                               A = 120' x 80'

                               A = 9600 ift


Then, we convert the area in ft² to acres,

                       A = (9600 in²)(2.3 x 10^-5/ 1 in²)

                           A = 0.24 acre


The portion of land remaining is,

                  A of remaining = 0.25 acre - 0.24 acre

                                           = 0.1 acre


The remaining portion is for Andre's studies.


This, 0.1 ft² is equal to the 4% of the given area of the court. 

3 0
3 years ago
Explain how 6/12 and 4/8 are equal fractions
bogdanovich [222]

6/12 and 4/8 are equal fractions, as, when simplified, they share a simplified fraction.

Note that what you do to the denominator, you do to the numerator. Find common denominators for both fractions:

(4/8)/(2/2) = 2/4

(6/12)/(3/3) = 2/4

As you can tell, when they share a common denominator (4), the numerators are the same as well (3).

~

5 0
3 years ago
Rewrite the expression 10 to the -3 power
liberstina [14]

Answer: 0.001 or 1/1000

Since it is a negative exponent and -3 so it is in the thousandths, so 1/1000 or 0.001.

Have a good day! : )

6 0
3 years ago
PLEASE HELP!!!!! The table displays the mean name length for seven samples of students. Sample Mean Name Length 1 5.4 2 7.1 3 6.
Vikki [24]

Answer:

A. The variation between the sample means is small.

Step-by-step explanation:

I took the quiz and got it right. O gotchu fam

8 0
3 years ago
Read 2 more answers
Find the y? 3x + 6y = 12
kari74 [83]

Could you give Brainliest please???

Answer:

y = 2 - 1/2x

Step-by-step explanation:

So we are given the equation 3x + 6y = 12 and are ask to find y.

To find y you must isolate it first.

3x + 6y = 12

(Subtract 3x to isolate the y term)

6y = 12 - 3x

(Divide both sides by 6 to isolate the variable)

y = 2 - 3/6x

(Simplify)

y = 2 - 1/2x

And that is your answer since there is a second variable.

5 0
3 years ago
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