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svetlana [45]
3 years ago
5

Add one and one tenths equals three and one half

Mathematics
1 answer:
navik [9.2K]3 years ago
6 0

Answer: 12/5  or  2  2/5

Step-by-step explanation: 7/2 - 11 /10

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Step-by-step explanation:

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Which expression is equivalent to −3/4 (1/2x+1/3)?
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2 years ago
PLZ HELP ME WILL GIVE BRAINLIEST
nadezda [96]

Answer:

1.  2 \times 10^{- 4} = 2 \div 10^{4}

2. (- 10)^{2} = 100 and - 10^{2} = - 100

3. (a.b.c. ........)^{n} = a^{n}.b^{n}.c^{n}. ..........

Example:  (30)^{4} = (2 \times 3 \times 5)^{4} = 2^{4} \times  3^{4} \times 5^{4}

Step-by-step explanation:

1. We have 2 \times 10^{- 4}, and we have to prove that this term is equivalent to 2 \div 10^{4}.

Now, 2 \times 10^{- 4}

= 2 \times \frac{1}{10^{4} }  

{Since we know the property of exponent as a^{- b} = \frac{1}{a^{b} } }

= \frac{2}{10^{4} }

= 2 \div 10^{4}

2. (- 10)^{2} = (- 10) \times (- 10) = 100 and  

- 10^{2} = - [(10) \times (10)] = - 100

3. The power of products property gives

(a.b.c. ........)^{n} = a^{n}.b^{n}.c^{n}. .......... ........ (1)

For example, we can write, (30)^{4} = (2 \times 3 \times 5)^{4} = 2^{4} \times  3^{4} \times 5^{4} = 810000

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3 years ago
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The store offers a 20% discount. the discount price of a hat is 18$. What is the regular price
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regular price is $22.50

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