Answer:
For power of a power, multiply the exponents.
For product of powers, add the exponents.
1. (8⅓) (8⅓) = 8⅔
Add ⅓ and ⅓.
⅓ + ⅓ = ⅔
Note: Write ⅔ as exponent.
2. (x⅔)¼ = x⅙
Multiply ⅔ by ¼
(⅔)(¼) = ²⁄₁₂ = ⅙
Note: Write ⅙ as exponent.
3. (3x½y) (4x⅔y½) = 12x⁷⁄₆y³⁄₂
for x: ½ + ⅔ = ³⁄₆ + ⁴⁄₆ = ⁷⁄₆
for y: 1 + ½ = ³⁄₂
Note: Write ⁷⁄₆ and ³⁄₂ as exponents of x and y, respectively.
4. (x⅘y⅗)½ = x⅖y³⁄₁₀
for x: (⅘)(½) = ⁴⁄₁₀ = ⅖
for y: (⅗)(½) = ³⁄₁₀
Note: Write ⅖ and ³⁄₁₀ as exponents of x and y, respectively
5. 120a⁴ 12a¹⁰⁄₃
-------------- = ----------
10a⅔b½ b½
120/10 = 12
for division, subtract the powers:
4 - ⅔ = ¹²⁄₃ - ⅔ = ¹⁰⁄₃
Note: Write ¹⁰⁄₃ and ½ as exponents.
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Answers & Comments
Answer:
For power of a power, multiply the exponents.
For product of powers, add the exponents.
1. (8⅓) (8⅓) = 8⅔
Add ⅓ and ⅓.
⅓ + ⅓ = ⅔
Note: Write ⅔ as exponent.
2. (x⅔)¼ = x⅙
Multiply ⅔ by ¼
(⅔)(¼) = ²⁄₁₂ = ⅙
Note: Write ⅙ as exponent.
3. (3x½y) (4x⅔y½) = 12x⁷⁄₆y³⁄₂
for x: ½ + ⅔ = ³⁄₆ + ⁴⁄₆ = ⁷⁄₆
for y: 1 + ½ = ³⁄₂
Note: Write ⁷⁄₆ and ³⁄₂ as exponents of x and y, respectively.
4. (x⅘y⅗)½ = x⅖y³⁄₁₀
for x: (⅘)(½) = ⁴⁄₁₀ = ⅖
for y: (⅗)(½) = ³⁄₁₀
Note: Write ⅖ and ³⁄₁₀ as exponents of x and y, respectively
5. 120a⁴ 12a¹⁰⁄₃
-------------- = ----------
10a⅔b½ b½
120/10 = 12
for division, subtract the powers:
4 - ⅔ = ¹²⁄₃ - ⅔ = ¹⁰⁄₃
Note: Write ¹⁰⁄₃ and ½ as exponents.