Cell a20 display an orange background when its value is 5. Changing the value to 6.

How do you work out 21.3-8= show your working. plz

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.