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Answer:
[tex]\left(3x^2\right)\left(5x^8\right)\left(6x^5\right)=90x^{15}[/tex]
Step-by-step explanation:
Given the expression
[tex]\left(3x^2\right)\left(5x^8\right)\left(6x^5\right)[/tex]
Apply the exponent rule:
[tex]a^b\cdot \:a^c=a^{b+c}[/tex]
so the expression becomes
[tex]\left(3x^2\right)\:\left(5x^8\right)\:\left(6x^5\right)=3\cdot \:\:5\cdot \:\:6x^{2+8+5}[/tex]
Add the exponent numbers: 2+8+5=15
[tex]=3\cdot \:5\cdot \:6x^{15}[/tex]
Multiply the numbers: 3×5×6=90
[tex]=90x^{15}[/tex]
Therefore, we conclude that:
[tex]\left(3x^2\right)\left(5x^8\right)\left(6x^5\right)=90x^{15}[/tex]