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zhenek [66]
3 years ago
8

Find the product of 395 ×76.estimate to check that the answer is reasonable

Mathematics
2 answers:
Orlov [11]3 years ago
6 0

Answer:

30020

estimate 395 x 75 = 29625

the answer is reasonable

Step-by-step explanation:

Reptile [31]3 years ago
3 0

Answer:

an estimation is 30000

Step-by-step explanation:

An estimate is a number that is close, so we round 395 to 400 and 76 to 75

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Write in radical form
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Step-by-step explanation:

I'll do one for you.

Using the formula for turning exponents into radicals

(b) {}^{ \frac{x}{y} }  =    \sqrt[y]{b} {}^{x}

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This means that the numerator in the exponet form becomes the power under the radical in radical form and

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For example 5,

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4 0
3 years ago
Please help me and If your answer is wrong or not appropreat I will report it
arsen [322]

Answer:

972 x^16 y^24

Step-by-step explanation:

Simplify the following:

(-2 x^3 y^7)^2 (3 x^2 y^2)^5

Multiply each exponent in -2 x^3 y^7 by 2:

(-2)^2 x^(2×3) y^(2×7) (3 x^2 y^2)^5

2×7 = 14:

(-2)^2 x^(2×3) y^14 (3 x^2 y^2)^5

2×3 = 6:

(-2)^2 x^6 y^14 (3 x^2 y^2)^5

(-2)^2 = 4:

4 x^6 y^14 (3 x^2 y^2)^5

Multiply each exponent in 3 x^2 y^2 by 5:

4 x^6 y^14×3^5 x^(5×2) y^(5×2)

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5×2 = 10:

4×3^5 x^6 y^14 x^10 y^10

3^5 = 3×3^4 = 3 (3^2)^2:

4×3 (3^2)^2 x^6 y^14 x^10 y^10

3^2 = 9:

4×3×9^2 x^6 y^14 x^10 y^10

9^2 = 81:

4×3×81 x^6 y^14 x^10 y^10

3×81 = 243:

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4 x^6 y^14×243 x^10 y^10 = 4 x^(6 + 10) y^(14 + 10)×243:

4×243 x^(6 + 10) y^(14 + 10)

14 + 10 = 24:

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6 + 10 = 16:

4×243 x^16 y^24

4×243 = 972:

Answer: 972 x^16 y^24

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