Calculate 6.25×106−4.73×10^6 . Express your answer in scientific notation to 2 decimal places.
To find the difference between the high end and the low end of the range, we subtract the low end from the high end:
2.329×10^−2 cm/hr - 6.849×10^−4 cm/hr
To subtract numbers in scientific notation, we need the same exponent. So, we can rewrite the second number as:
2.329×10^−2 cm/hr - 0.06849×10^−2 cm/hr
Now we can subtract the numbers:
= 2.329 - 0.06849 × 10^−2 cm/hr
The answer is 2.26051 × 10^−2 cm/hr.
To subtract numbers in scientific notation, we must have the same exponent. So, let's express the first number in scientific notation:
6.25 × 10^6 - 4.73 × 10^6
= (6.25 - 4.73) × 10^6
= 1.52 × 10^6
Therefore, the answer is 1.52 × 10^6.
I dont wont the work just the answer
The answer is 1.52 × 10^6.
The average distance from Earth to Mars is 2.25×10^8 km, and the distance from Earth to Neptune is 4.3514×10^9 km. How much farther is Neptune from Earth than Mars? Express your answer in scientific notation. Do not round your answer.(1 point)
To find the difference in distance, we subtract the distance to Mars from the distance to Neptune:
4.3514×10^9 km - 2.25×10^8 km
To subtract numbers in scientific notation, we need the same exponent. So, we can rewrite the second number as:
4.3514×10^9 km - 0.225×10^9 km
Now we can subtract the numbers:
= 4.3514 - 0.225 × 10^9 km
The answer is 4.1264 × 10^9 km.
Just wont the answer not the work
The difference in distance between Neptune and Mars is 4.1264 × 10^9 km.
Human hair grows at a rate of about 6.849×10
^−4 cm per hour to 2.329×10^−2 cm per hour. The rate depends on gender, genetics, age, and health. Find the difference between the high end and the low end of the range. Express your answer in scientific notation. Do not round your answer.
Find 0.078−(5.2×10−3) . Express your answer in scientific notation. Do not round your answer.(1 point)
=×10−2