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Scientific Notation

Scientific notation is the expression of a number based on the largest exponent of 10 for its value, where the form is a decimal number A x 10n.

6,389 Questions

What is 4 and 553 thousandths inches in standard form?

4 and 553 thousandths inches in standard form is: 4.553 × 100 inches.

What are the three things a number needs to be written in scientific notation?

A sign (plus or minus),a significand or mantissa (a number, in decimal form, which is greater than or equal to 1 and less than 10),

an exponent (the base, which is 10, may be implied).


As an example of the last of these, 2.57*10^3 may be 2.57E3

What does scientific notation mean in math?

Say a number is 156400000 you need to make a new number that is under 10 and over 1 out of the numbers so 1.564 then count the numbers after the decimal and do 1.564x10to the 8th power and if the original number is under 1 say the number is .5428 the new number still has to be under 10 and over 1 and the new number is 5.428 and you need the AWNSER to that is 5.428x10 to the -1 power