Scientific Notation Flashcards
When writing a number in scientific notation where do you put the decimal?
When writing a number in scientific notation you put the decimal after the first non zero number.
When changing from scientific notation to standard form, how do you know how far to move the decimal?
When changing a number from scientific notation to standard form you know how far to move the decimal because of the exponent.
A negative exponent means you move the decimal to the….
A negative exponent means that you will move the decimal to the left.
A positive exponent means you move the decimal to the…
A positive exponent means that you will move the decimal to the right
When multiplying numbers with the same base you do what with the exponents?
When multiplying numbers with the same base you add the exponents.
When dividing numbers with the same base you do what with the exponent?
When dividing numbers with the same base you subtract the exponents
A number to the zero power equals…
A number to the zero power simplifies to 1.
How do you simplify a number with a negative exponent?
To simplify a number with a negative exponent you put it under 1.
When converting 0.00000456 to scientific notation, what would the exponent be?
The exponent will be -6
When converting 3,450,000,000 to scientific notation, what would the exponent be?
The exponent will be 9
When converting 2.45 x 10^-5 to standard form, how many zeros will be in front of the 2?
There will be 4 zeros in front of the 245
When converting 6.072 x 10^8 to standard form, how many zeros will be at the end?
There will be 5 zeros after the 6072
when you have a power to a power or an exponent to an exponent, what do you do with the exponents?
multiply exponents
When you see the words how many times bigger, what kind of math does that mean to do?
divide
