3 years ago

247000 in standard form

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

7 0

Answer:

2.47× 10^5

Step-by-step explanation:

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Identify the equivalent expression for each of the expressions below. (m^1/3)(m^1/5)^0

xxMikexx [17]

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➷ Anything to the power of a fraction: you 'root' it by the bottom value.

Therefore, the equivalent expression for the first one is:

$\sqrt[3]{m}$

Anything to the power of 0 is 1

Therefore, the second one would just be 1

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5 0

3 years ago

Read 2 more answers

Find in simplest form

kvv77 [185]

Answer:

1. D

2. C

3. C

4. D

5. B

Step-by-step explanation:

1. 20 times 3/5 equals 12

2. 1/5 times 8 equals 8/5 or 1 3/5

3. 2/3 of 93 equals 62

4. 3/5 of 30 equals 18

5. 2/3 times 5 equals 10/3 or 3 1/3

8 0

4 years ago

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If $x$ and $y$ are positive real numbers for which $(x + y)^2 + (x - y)^2 = 10$ and $(x + y)^4 + (x - y)^4 = 98$, what is the va

slava [35]

$(x+y)^2+(x-y)^2=10$
$\implies 2x^2+2y^2=10$
$\implies x^2+y^2=5$
$\implies (x^2+y^2)^2=x^4+2x^2y^2+y^4=25$

$(x+y)^4+(x-y)^4=98$
$\implies 2x^4+12x^2y^2+2y^4=98$
$\implies x^4+6x^2y^2+y^4=49$
$\implies 25+4x^2y^2=49$

$4x^2y^2=24$
$\implies x^2y^2=6$
$\implies xy=\sqrt6$