8.10 and 8.100 because its about significant figures. There can be an infinite number of zeros after the 1.
Answer:
None are you sure you have the right expressions.
Step-by-step explanation:
(4x^4/2x^3)^3=(2x^4*x^3)^3=(2x^7)^3=8x^21
Answer:
3.14
Step-by-step explanation:
The difference between her score and the mean is:
20 − 31 = -11
The number of standard deviations that equals is:
-11 / 3.5 ≈ -3.14
Her score is approximately 3.14 standard deviations below the mean.
Answer:
5) 140.8m^2 6) 360in^2
Step-by-step explanation:
5.
6.4 x 6.4 = 40.96
(7.8 x 6.4) ÷ 2 = 24.96
24.96 x 4 = 99.84
99.84 + 40.96 = 140.8m^2
6.
12 x 10 = 120in
13 x 10 = 130in
5 x 10 = 50in
(12 x 5) ÷ 2 = 30in
30 x 2 = 60in
60 + 50 + 130 + 120 = 360in^2
I think its 2022 · 2022 · 2022