0.1: Scientific Notation

what is scientific notation?

expressing number as products of any number relative to a power of 10

0.0000643 is written in scientific form?

6.43*(10^-5)

in scientific notation, there is __ digit on the left of the decimal point

1

the decimal is always after the…

first non-zero number

why is scientific notation useful?

it helps you handle large numbers

assume a number in the form a.bc for b is an odd integer, c is 5, and the digit immediately right of c is 0. what will a.bc round to?

a.(b+1)

assume a number in the form a.bc for b is an even integer, c is 5, and the digit immediately right of c is 0. What will a.bc round to?

a.b

assume a number in the form a.bc for c is 5, and the digit immediately right of c is a non-zero digit. What will a.bc round up to?

a.(b+1)

E^n is equivalent to…

10^n