Answer:
a. 2.3 × 10³
b. 6.7 × 10^-2
c. correct
d. 3 × 10^4
e. correct
Step-by-step explanation:
For a number to be written correctly in scientific notation, the number has to be written as a number from 1 to less than 10 multiplied by a power of 10.
If the first number is less than 1 or 10 or greater, then it is not correct scientific notation.
a. 0.23 × 10^4 change to 2.3 × 10³
b. 67 × 10^-3 change to 6.7 × 10^-2
c. correct
d. 0.0003 × 10^8 change to 3 × 10^4
e. correct
