simplify -\sqrt[3]{16}*\sqrt[3]{4}
Let's simplify: -163×43
ⓘ Powers with the same exponent are multiplied by multiplying the bases: -163×43 = -16×43
-16×43
ⅰ 16×4 = (10 + 6)×4 = 10×4 + 6×4 = 40 + 24 = 64
-643
ⓘ The root of order 3 is the number whose power 3 equals the radicand: 643 = 4; 43 = 64; -643 = -4
▶Simplified form:   -4