Scientific Notation

3.75*10-4

1.4e20 or 1.4 x 1020

Scientific notation is the "digits" part of the number that is between 1 and 10 (it can be 1, but never 10) followed by × 10 to a power.

91 in scientific notation is 9.1 x 10^1 also written as 9.1E+1

It is: 8.76*10^3

62,000 = 6.200000e+4

8.8 × 109m

2.9 x 10², note that the decimal point moved 2 places to the left (from 290 to 2.9) so the exponent is positive 2. If the decimal point moves to the right, then the exponent is negative.

3.07 x 10^2

It is: 2.54*10^1

75.2

= 7.52 X 101

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It is 2.06*1011.

6.589 × 106

It is: 3.25*10^5

adad

1.6 × 1010

1.08 x 10^9 in standard form is 1,080,000,000

To keep the others out, it's more about exclusion than clarity (it makes easy things seem hard). Also the word 'after' is a preposition.

8.6*10^2

0

7 x 10-6

4 and 8 thousandths (4.008) in standard form is 4.008 × 100

9.9 × 103

3.6084 × 107

74,977 = 7.4977e4 or 7.4977 x 10^4

9.6 x 10^-2