Answer:
5.43×10^14 or

Step-by-step explanation:
Scientific notation, the number must always be less than 10, in this case 5.43. The exponent represents how much times I moved the decimal point to the left.
Answer:
then she only has eight pencils in the bag.
Step-by-step explanation:
The answer is <span>4 times the 4th root of 5. You would take out a 16, and the fourth root of that is 2 so 2 x 2 = 4 which would be outside the fourth root of 5.
Hope this helps! :)</span>
Twenty five subtracted by six tenths times "x"