Answer:
80 percent of 9 is 4/5th of 9, which is 36/5 or 7.2
Hope this helped and brainliest please
Answer: C
<u>Step-by-step explanation:</u>
∑ 8(
)⁽ⁿ⁻¹⁾ from n = 1 to n = 5
n = 1 → 8(
)⁽¹⁻¹⁾
= 8 = 
n = 2 → 8(
)⁽²⁻¹⁾
=
=
n = 3 → 8(
)⁽³⁻¹⁾
=
= 
n = 4 → 8(
)⁽⁴⁻¹⁾
=
= 
n = 5 → 8(
)⁽⁵⁻¹⁾
=
= 
Sum = 
= 408.99
Answer:
4.4471336 * 10^2.
Step-by-step explanation:
(6.253•10^-2)(7.112x10^3)
= 6.253*7.112 * 10^-2*10^3
= 44.471336 * 10^1
= 4.4471336 * 10^2.