Could you help me with this?

Karen is correct because

Step-by-step explanation:

10 to the 3rd power is 1000 and 560.9 divided by 1000 is 0.5609

step-by-step explanation:

in the absence of parentheses, i will have to make some assumptions:   i interpret your (3x+5/y^6)(4y^3/5)​ to mean:

3x + 5     4y^(3/5)       (3x + 5)(4)

* =

    y^6             1               y^(6-3/5)

if this is not what you expected, repost your question using parentheses to indicate whether you meant

4y^3

    or   4y^(3/5)

    5

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.