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Rufina [12.5K]
2 years ago
10

Who knows scientific notation ?????????

Mathematics
2 answers:
weqwewe [10]2 years ago
8 0

Answer:

Scientific notation is a short way to write large numbers example: 3.14 X 10 to the ninth power

Step-by-step  you can only only have numbers in the ones place and decimals. hope i helped

makkiz [27]2 years ago
7 0

Answer:

Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

For example, 750,000,000 can be written in scientific notation as 7.5 ✕ 10^8.

Step-by-step explanation:

Move the period to the right it is positive

Move the Period to the left it is negative | 55 can be written in scientific notation as 5.5 x 10^-1

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Which is the most economic way to lessen electric consumption?
AysviL [449]

Answer:

1) c. Use only appliances to do the most important task in the house.

2) b. 112kwh

3) b. 111kwh

Step-by-step explanation:

Energy can be defined as the ability (capacity) to do work and it's measured in Joules. The various forms of energy are solar energy, chemical energy, thermal energy, wind energy, nuclear energy, electrical energy, etc.

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

Power = \frac {Energy}{time}

Energy consumption is the total amount of power used by an electronic device per unit time and it's measured in Watt-hour or Kilowatt-hour.

Mathematically, it is given by the formula;

Energy = power * time

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2. Given the following data;

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Energy consumption = present reading - previous reading

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6 0
2 years ago
Janet is painting her shed. She buys some gallon-sized paint cans that cost $15 each and 2 quart-sized paint cans that cost $4 e
blondinia [14]

1 gallon cost $15

1 quarts cost $4

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She bought a total of 3.5 gallons of paint.

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3 years ago
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