Formula is bh/2.
So, 23*19/2 = 218.5
Abac then in the other century there was a lot of killings
Step-by-step explanation:
Answer:
Extremely large and small numbers that have many zeros are long to write and take up a lot of room. So, by using scientific notation a number can be written shorter. For example, numbers such as 295,000,000,000 can be shortened to 2.95x
. This is easier to write and understand. This is why the scientific notation is used over standard.
Step-by-step explanation:
Equation: 3.9^2 + x^2 = 11^2
x = 10.29