It is because both the dividend and the divisor are multiplied by 10, 100, 1000, or some other power of ten.
Answer:
Step-by-step explanation:
Given
The above data
Required
Determine the expected value E(x)
E(x) is calculated as thus;
Where f(x) represents the total sale of each outcome;
For A:
For B:
For C:
Hence, E(x):
(a)
(i) 0 [km/h]
(ii) 13.33 [km/h]
(b) 11.11
(c) 10km
Answer:
98
Step-by-step explanation:
Of means multiply and is means equals
20% *x = 28
Changing to decimal form
.20 * x = 28
Divide each side by .20
.20x/.20 = 28/.20
x =140
Now we want to find 70% of 140
70% * 140
Changing to decimal form
.70 * 140
=98
