Question

please give me answer ​

Answer 1

Step-by-step explanation:

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Answer 2

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• Solve the following.

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For question 1.

• Compare the numbers.

$27 \times {10}^{12} \colon15 \times {10}^{8}$

$= \frac{27 \times {10}^{12} }{15 \times {10}^{8} }$

$= \frac{27 \times {10}^{4} }{15}$

$= \frac{9 \times {10}^{4} }{5}$

$= \frac{9 \times 2000}{1}$

$= 18000 \colon1$

Therefore, the ratio in simplest form will be

$= 18000 \colon1$

For question 2.

• Find the value without squaring.

${(765)}^{2} - {(764)}^{2}$

$= (765 + 764)(765 - 764)$

$= 1529 \times 1$

$= 1529$

Answer for the problem is 1529.