4mn. You are multiplying them all together.
$21 would be the price of all three necklaces. But you need only 1 necklace so divide by 3, and the answer is $7.
Answer: 3√-20 = 3√20√-1 = (3√20)i
Step-by-step explanation:
√-20 can be written √20√-1 since
(√20√-1)^2 is indeed -20.
Answer: $32
Step-by-step explanation:
Three fifths times 2 and five sixths is 1.7
