Simplify. −3i √-40  enter your answer, in simplest radical form, in the box. hurry!

i have the answer here

6√10

-3i√-40

-3i^2√40

^

4 * 10

2*2 5*2

-3i^2√2*2*2*5

-6i^2√10

-6(-1)=6

6√10

☺

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.