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2 years ago

A) A = {Even numbers which are between 10 and 18}

Mathematics

1 answer:

adelina 88 [10]2 years ago

7 0

Even numbers between 10 to 18 are 5

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3 years ago

Express the decimal as a percent. 0.053

velikii [3]

Hey this is very easy to learn! So to express a decimal as a percent all we have to do is multiply it by 100. So multiplying .053 by 100 would just mean moving the decimal point 2 spaces to the right.

So the answer would be 5.3%

I hope this helps!

-Ayden

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3 years ago

Please can you give me the answers to the questions above in standard form.

ivanzaharov [21]

Answer:

a) $4.5 \times 10^{11}$

b) $3.5 \times 10^{3}$

Step-by-step explanation:

a) We have to simplify the below expression in standard form.

The expression is $(5\times 10^{3}) \times (9 \times 10^{7})$

Now, $(5\times 10^{3}) \times (9 \times 10^{7})$

= $(9 \times 5) \times (10^{3} \times 10^{7})$

= $45 \times 10^{(3 + 7)}$ {Since $a^{b} \times a^{c} = a^{(b + c)}$ }

= $45 \times 10^{10}$

= $4.5 \times 10^{11}$ (Answer)

b) We have to simplify the below expression in standard form.

The expression is $(7\times 10^{5}) \div (2 \times 10^{2})$

Now, $(7\times 10^{5}) \div (2 \times 10^{2})$

= $(7 \div 2) \times (10^{5} \div 10^{2})$

= $3.5 \times 10^{(5 - 2)}$ {Since $a^{b}\div a^{c} = a^{(b - c)}$ }

= $3.5 \times 10^{3}$ (Answer)

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2 years ago

Help 20 points!

Sergio [31]

Answer:

remember its a right angle so 90

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What is 42.5% as a fraction in simplest form?

Oksana_A [137]

I think the answer is 17/4

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2 years ago