help me pls guys i need this asap! 4:00 PM IS DEADLINE
41. Express 0.000457 in scientific notation? A. 457x10−6
C. 4. 57x104 B. 4 . 57x10−4 D. 457x106
42. Convert 2. 4x10−3
to standard notation.
A. 0.0024 C. 0.24 B. 0.024 D. 2400 43. The scientific notation of the number 1200 is____ A. 1. 2 x 10−3
C. 1. 2 x 103
B. 12 x 10−3 D. 12 x 102 44. In the number 1205 the significant numbers is/are_______. A. 1 C. 120 B. 12 D. 1205 45. Which one of these is in scientific notation? A. 8.987000 C. 80. 987x10 B. 8. 98x106 D. 8. 986 46. Write in standard form: 8x104 .
A. 0 C. 8000 B. 0.00008 D. 80 000 47. Convert to scientific notation 52 000 000? A. 5. 2x10−7 C. 52x106 B. 5. 2x10−6 D. 5. 2x107 48. How do you write 1001 in scientific notation?
A. 1. 0001x104
C. 1. 001x103
B. 1. 01x105
D. 10. 1x103
49. Which of the following is the scientific notation of 0.000000365? A. 365 x 10−7
C. 365 x 107
B. 3. 65 x 10−7
D. 3. 65 x 107
50. If the diameter of a water tank is 12 500 000 cm. This number can be written as: A. 1. 25 x 10−7
