9)

11)
(a²b)³ = a²⁽³⁾b¹⁽³⁾ = a⁶b³
12)
The exponent tells you how many places to move the decimal. The positive/negative sign tells you which direction to move the decimal (negative is left, positive is right).
8.4 x 10⁻⁵ <em>move the decimal 5 places to the left</em> = 0.000084
Answer:
48 miles per hour
Step-by-step explanation:
Distance = 264 miles
Time = 5.5 hours
Speed = x
Formula for speed --> Speed = Distance/Time
Speed = 264miles/5.5hours
Speed is = 48 miles/hr
Answer:
i need help also
Step-by-step explanation:
Step-by-step explanation:
<u>Volume of a triangular prism = 1/2 × lbh</u>
<u>Volume of a triangular prism = 1/2 × lbhSo, from given options, we can select 39 x 2 = 13 × 3 × 2 as the expression that represents the volume of the prism, with 13 as the height or length of the prism.</u>