Snapshot 1 Study Guide

Snapshot 1 Study Guide

​Remember Scientific Notation

​- A way to write really really big numbers or really really small numbers.

​Let's Practice!!

Multiple Choice

Assuming the population of the world is 7.5 Billion or 7,500,000,000, and the population of India is 1.3 Billion or 1,300,000,000. How much of the world’s population is in India?

• 7.5x10^10

• 1.3x10^10

• 7.5x10^-9

• 1.3x10^9

Multiple Choice

Convert 5x10^(-5) to standard

     notation.

• .00005

• .0005

• .005

• 50000

​Simple Interest

I = Interest earned

P = "Principal" How much money (start or borrowed)

R = "%Rate" per year (convert to decimal form)

T = Time "in years"

​Compound Interest

​

A/B = Final Balance (Interest + Principal)

p = "Principal" How much money (start or borrowed)

r = "%Rate" per year (convert to decimal form)

t/n = Time "in years"

Multiple Choice

 Find the compound interest:

      Principal: $152

         Interest Rate: 5%

         Time: 3 years

• 53.12

• 175.96

• 214.29

• None of the above

Multiple Choice

Rebekah puts $4000 in a bank account earning 6% interest.  How much will she

   have in total in 2 years?

• 4480

• 480

• 4000

• 4.80

​Inequalities Vs Equations

​Equations: one solution

​Inequalities: many solutions

Multiple Choice

Solve for x.

3x+4=31

• No Solution

• 13

• 3

• 9

Multiple Choice

Solve for x.

x-9<13

• x>22

• x<22

• -22<x

• -22>x

Poll

How do you feel?