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viktelen [127]
3 years ago
10

The speed of light in a vacuum is approximately 299,500,000 meters per second. In scientific notation, we can write this number

as a × 10b where a = and b = .
Biology
2 answers:
Whitepunk [10]3 years ago
8 0
6.022 x 10^<span>23
 a = 6.022
b = 23</span>
Nonamiya [84]3 years ago
6 0
In scientific notation, the value of the speed of light in a vacuum
 will be written as 2.995 * 10^8. When this value is represented in the form of
 a * 10^b, then, a = 2.995 and b = 8.
The value of the speed of light in a vacuum given above can also be rounded up to approximately 300000000. In this case, the scientific notation will be written as 3 *10^8.
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In a certain species of plant, the allele to produce green melons (G) is dominant over the allele to produce yellow melons (g).
marishachu [46]

Answer:

4.26

Explanation:

Let the green-melon parents be Gg, then we expect the cross with the yellow-melon plant gg so as to produce 50% Gg and other 50% of gg offspring. What we observed was that 53 green and a 41 yellow. Based on the total number of 94 offspring , we expected half and a half ratios to be 47 of each color.

                                Observed(o)   Expected(e)   (o-e)    $(o-e)^2$      $(o-e)^2/e$

Green-melon plant        53                    47               6          36             0.766

Yellow-melon plant        41                    47              -6          36             0.766

Therefore the chi-square value is 1.53 which is less than the critical value of 3.84. Therefore, the null hypothesis is accepted.

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