Scientific notation and binary number

How do you write 1.28 x 10^-4

• 0.128
• 0.0000128
• 0.0128
• 0.000128

Put the following in scientific notation:
23,948

• 23.948 x 10³
• 2.3948 x 10⁴
• 2.3948 x 10^-4
• 0.23948 x 10⁵

Put the following number in scientific notation
0.004362

• 4.362 x 10³
• 4.362 x 10^-3
• 0.4362 x 10^-2
• 43.62 x 10^-4

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Which of these numbers is the greatest?

• 9 x 10⁹

• 8.1 x10¹⁰

• 9.02 x10⁹

• 6.35 x10¹⁰

Convert 12 into binary

• 1000

• 1001

• 0011

• 1100

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101

Convert 10011000110(binary number) to denary number

• 1458

• 1222

• 920

• 726