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der
Lv 4
der asked in Science & MathematicsMathematics · 1 decade ago

can you please simplify this problem show your work?

radical sign number (3) # 40 inside the radical sign

2 Answers

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  • Rannoc
    Lv 4
    1 decade ago
    Favorite Answer

    cube root of 40

    √^3(40)

    √^3(8*5)

    (√^3(8))*(√^3(5))

    2√^3(5)

    spoken: 2 cube roots of 5

  • ?
    Lv 5
    1 decade ago

    Do you mean cube root of 40?

    If so then 40 is not a perfect cube so break it up into 8*5 where 8 is a perfect cube

    Cube root 40 =cube root(8*5)= cbrt8*cbrt5=2*cube root5

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