Describe how to use Scientific Notation to write a very small number. Give an example, written in both Standard Form and Scientific Notation.

In scientific notation, the number in front of a decimal must be a digit. In other words, the number cannot be larger than 9.

The number 0.0000078's scientific notation would be

In scientific notation, when the exponent is negative, you move the decimal to the left.

When the decimal is positive, you move the decimal to the right.

Since the exponent is -6, I will move the decimal in 7.8 6 times to the left.

7.8's decimal moved 6 times to left is equal to 0.0000078.

Therefore, the scientific notation for 0.0000078 is

**STANDARD FORM: 0.0000078

**SCIENTIFIC NOTATION:

This is probably a lot, so summarize when giving your actual answer.

Step-by-step explanation:

My answer is self explanatory.

50- 250 is correct i did that one too

step-by-step explanation:

p ÷ r = tan(x)

step-by-step explanation:

given that there is a figure below shows a right triangle: a right triangle is shown with hypotenuse equal to q units and the length of the legs equal to p units and r units.

graph is missing so i will create the graph as per given information.

the angle between the legs having lengths p units and q units is y degrees. the angle between the legs having lengths r units and q units is x degrees.

now we need to find about what is p ÷ r equal to.

so we can use trigonometric ratio tan(x)=[altitude]/[base] to find the value of p ÷ r, because p is the altitude and r is the base.

p ÷ r=tan(x)

hence final answer is p ÷ r=tan(x).