9.75 x 10^5
A number in scientific notation has the form a x 10^b where
• a is the coefficient
• b is the exponent
Here are the steps to convert a number greater than 1 to scientific notation.
a) Find the coefficient
Put the decimal point after the first digit and drop the trailing zeroes
9.75 000
The coefficient is 9.75.
b) Find the exponent
Count the number of digits after the first digit.
In 975 000 there are five digits after the 9. Therefore, the exponent is 5.
c) Write the number
We write 975 000 as 9.75 x 10^5.
Answer:
Insulin and glucagon are the hormones that cause blood glucose (blood sugar) preserved in a narrow range. The pancreas serves as the central part of this process. Secreted by the pancreas are both insulin and glucagon. Determined by the production of insulin and glucagon, people can find out whether someone may have diabetes, hypoglycemia, low blood pressure, etc. Insulin or glucose can be prescribed to victims of those listed issues, it is mostly used to balance out the level of glucagon and insulin to try to stop the problem.
The remains of producers are broken down by decomposers.
The remains of consumers are broken down by soil decomposers.
Producers take in carbon dioxide.
Producers make sugars and starches.
The three processes that releasecarbon are as follows:
WAYS THROUGH WHICH CARBON IS RELEASED:
The remains of producers (plants) are broken down by decomposers (fungi, bacteria etc). Carbon is returned back to the soil this way.
The remains of consumers, when they die, are broken down by soil decomposers (fungi, bacteria).
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Answer:
Animals break down food molecules to obtain energy.
The remains of producers are broken down by decomposers.
The remains of consumers are broken down by soil decomposers.
Explanation:
JUST TOOK THE TEST
The object is a satellite
Sun
The regions surrounding
the object are free from
debris
The object is triangular
in shape.
Planet
Not a Planet
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Answer:
Planet: The object orbits the sun
Not planet: The object is a satellite
Planet: The regions surrounding the object are free from debris
Not Planet: The object is triangular in shape.
Explanation:
A planet is characterized as:
Spheroidal (or at least big enough to be round-ish)
It should orbit the sun (not other planets, so satellites like the moon is not considered as a planet)
It should have no debris, or cleared of debris around its orbit
Although there is now the dwarf planet category, it satisfies almost all charateristics to be considered a planet, except the cleared of debris part.
Answer:
Planet: The object orbits the sun
Not planet: The object is a satellite
Planet: The regions surrounding the object are free from debris
Not Planet: The object is triangular in shape.
B. Non-metals tend to have high ionization energy and high electronegativity.
O C. Non-metals tend to have low ionization energy and low electronegativity.
D. Non-metals tend to have high ionization energy and low electronegativity.
The statement about non-metals that is correct is B. Non-metals tend to have high ionization energy and high electronegativity.
A non-metal doesn't she the characteristics of a metal. It has poor thermal and electrical conductivity. Also, non-metals have a low melting point and low density.
On the other hand, mon-metals have high ionization energy, high electronegativity, and high electron affinity. When there react with other elements, they gain electrons.
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Answer:
The correct answer is option B, that is, non-metals tend to exhibit high electronegativity and ionization energy.
Explanation:
A chemical element, which is primarily devoid of the feature of metal is termed as a non-metal. A non-metal generally exhibit poor electrical and thermal conductivity and is brittle in solid-state. The non-metals generally possess a comparatively low boiling and melting point and also has low density.
Chemically, the non-metals exhibit comparatively high electron affinity, high electronegativity, and high ionization energy. Upon reaction with other elements and chemical compounds, these elements share or gain electrons. The non-metals are typically seventeen in number and are differentiated into two kinds, that is, noble gases and reactive non-metals.