Scientific Notation

It is: 2.5*10^-5

It is: 8.909*10^-2

It is: 4.28*10^11 Km

No, it will not.

1.973 x 10^-1

It is: 4.871*10^10 in scientific notation

In scientific notation 5.53*10^-3 means 0.00553

0.067 is written as 6.7 × 10-2

Yes 2.3*1012 is in scientific notation

9.0004 x 104

3.87 x 10^2

12.76 in standard form is 1.276 × 101

It is: 3.685*102

1.1045*102

0.00004637 in Scientific Notation = 4.637 x 10-5

It is: 8.6*10^3

It is: 2.43*10^2

It is: 3.7*10^3

It is 6.1 x 10^5

It is: 1.304*10^7 in scientific notation

It is: 77,600,000 = 7.76*107 in standard form or scientific notation

There's nothing to change. There is no advantage or reason to write 1.60 in scientific notation. It could be written as 1.60 × 100, but this is not normally done.

It is: 7.84*10-4

Just for the exercise it is: 7.001*103

7 X 1010

The zeros are superfluous.