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2 years ago

Which number is not in scientific notation? 0.2 ⋅ 103 3 ⋅ 1028 1.03 ⋅ 10–2 1.5 ⋅ 10–6

Mathematics

2 answers:

sweet-ann [11.9K]2 years ago

3 0

The first one as the first number must be >= 1 Here it is 0.2.

Mademuasel [1]2 years ago

3 0

Answer:

0.02.

Step-by-step explanation:

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Convert to a percent 4.44 3/5

worty [1.4K]

Answer:

$\large\boxed{4.44=444\%,\ \dfrac{3}{5}=60\%}$

Step-by-step explanation:

$p\%=\dfrac{p}{100}\to p=p\cdot100\%\\\\\text{multiply a number by}\ 100\%\\\\4.44=4.44\cdot100\%=444\%\\\\\dfrac{3}{5}=\dfrac{3}{5}\cdot100\%=\dfrac{300}{5}\%=60\%$

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Tasya [4]

Answer:

Step-by-step explanation:

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2 years ago

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a 120 watt light bulb uses about 0.1 kilowatt of electricity per hour. if electricity costs 0.20 per kilowatt hour, how much doe

Allushta [10]

A 120 watt light-bulb is a 0.120 kilowatt light bulb.

In one hour, it uses 0.120 kilowatt-hour of energy.

If electrical energy costs $0.20 per kilowatt hour, then that light bulb costs

(0.120 kilowatt-hour / hour) x (0.20 dollar / kilowatt-hour) =

(0.120 x $0.20 / hour) =

$0.024 / hour = <span>2.4¢ per hour </span>

5 0

2 years ago

The GCF of 24 and 32 is

Oksana_A [137]

Start by setting up a factor tree for each number.

Factor in anyway that you'd like.

At the end, circle all prime numbers.

Remember, prime numbers are numbers

with only 2 factors, 1 and the number itself.

Now write these factors in least to greatest

multiplying them separate rows.

Circle factors they have in common.

Since 3 pairs of two's match up, multiply by 2 three times to get 8.

So the GCF is 8.

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3 years ago

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