Dividing by Negative Powers of 10

When I divide by a positive power of 10 (10, 100, 1000, etc.), my decimal point moves which direction?

• Left

• Right

  $43.1\div0.1$  

• 0.431

• 4.31

• 4310

• 431

  $43.1\div0.01$  

• 0.431

• 4.31

• 4310

• 431

  $43.1\div0.001$  

• 0.431

• 4.31

• 4310

• 43,100

When I divide by a negative power of 10 (0.1, 0.01, 0.001, etc.) my decimal point moves which direction?

• Left

• Right

 $895.27\div0.1$  

• 8,952.7

• 89.527

• 89,527

• 8.9527

 $895.27\div0.01$  

• 8,952.7

• 89,527

• 895,270

• 0.89527

How many dimes are in $52?

• 52 dimes

• 520 dimes

• 5.2 dimes

• 5,200 dimes

 $0.8\div0.1$  

• 0.08

• 8

• 80

• 800

 $54,234\div0.001$  

• 54.234

• 542.34

• 54,234,000

• 5,423,400