Here are the approximate populations of three countries, expressed in scientific notation: Panama: 4×10^6; Peru: 3.2×10^7; Thailand: 7×10^7. Lin says that more than 20 times as many people live in Thailand than in Panama. Is this correct? Explain how you know.

32a³b² 8ab² simplify the following expression.

Koda is making birdhouses for a park. the instructions tell him how many of each wooden shape is needed for one birdhouse. complete each statement to adjust the number of shapes for each new situation if he follows the given instructions. to make 8 birdhouses, koda will trapezoids.  for koda to make birdhouses, he will need 12 rectangles. if koda uses 4 squares to make birdhouses, he will use triangles. 

Elena's aunt bought her a $150 savings bond when she was born when elena is 20 years old the bond will have earned 105% in intrest how much will the bond be worth when elena is 20 years old