3 years ago

Is this all correct?

Mathematics

2 answers:

Bond [772]2 years ago

7 0

They look correct but I can't see the problems fully

antoniya [11.8K]2 years ago

7 0

They seem to be all correct, though the last one is kinda blurry, I checked them all, and they seem accurate

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Reposting because nobody will help me..

Llana [10]

Answer:

Step-by-step explanation:

18 = 2 * 3 * 3 = 2 *3²

$18*3^{(n+2)} = 2*3^{2}*3^{n+2}\\\\$

$= 2*3^{2+n+2}\\\\= 2*3^{n+4}\\\\= 2(3)^{n+4}$

Hint:

$a^{m}*a^{n} = a^{m+n}$

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2 years ago

Which of these numbers is composite? 3,5,19,71,85

user100 [1]

Answer:

Step-by-step explanation:

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3 years ago

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Giving brainliest, 50 points (answer both questions with solutions)

Helga [31]

Answer:

your answer in ☝️ this photo

plz Mark my answer in brainlist

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2 years ago

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10 + 2-x\3 = 7 \ = divided by TIA!

Lemur [1.5K]

Your answer to this problem is 15

10 + 2 - 15 / 3 = 7

Hope it helped :)

8 0

3 years ago

In what temperature range can mercury be found as a liquid

Varvara68 [4.7K]

Some metals melt at lower temps than others. Tin becomes liquid at 231.8˚C (447.8˚F); at the other end of the spectrum, tungsten has the highest melting point of any metal: 3,422˚C (6,192˚F). Somewhere in the middle is mercury, which stays in a liquid state until its temperature drops to -40.

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2 years ago