Remember to put commas and a decimal in your answers.

6. 1.5 x 108 = ?

7. 4.4 x 10-6 = ?

8. 8.3 x 105 = ?

9. 8.3 x 10-5 = ?

10. 9.2 x 100 = ?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10