Asked by Pranshu Saini on May 09, 2024

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Verified

Multiply: (−7y4) (−3y3) \left( - 7 y ^ { 4 } \right) \left( - 3 y ^ { 3 } \right) (7y4) (3y3)

A) −21y12- 21 y ^ { 12 }21y12
B) −10y7- 10 y ^ { 7 }10y7
C) 21y721 y ^ { 7 }21y7
D) −10y12- 10 y ^ { 12 }10y12
E) 21y1221 y ^ { 12 }21y12

Multiply

The mathematical operation of scaling one number by another, equivalent to adding a number to itself a certain number of times.

  • Undertake operations and the simplification of algebraic expressions.
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Verified Answer

AC
Ashley CoffeeMay 13, 2024
Final Answer :
C
Explanation :
When multiplying powers with the same base, you add the exponents. Thus, (−7)×(−3)=21(-7) \times (-3) = 21(7)×(3)=21 and y4×y3=y4+3=y7y^4 \times y^3 = y^{4+3} = y^7y4×y3=y4+3=y7 , making the correct answer 21y721y^721y7 .