Answer:
River C is: 2,965 miles long.
River D is: 2,565 miles long.
Step-by-step explanation:

Have a great day! ^^
Yes, the rules of scientific notation are:
1. All non-zero digits are significant
2. Zeros in between non-zeros are significant.
3. Zeros to the left of the first non-zero number are NOT significant.
4. Zeros to the right of non-zero numbers are significant IF a decimal point is present.
P.S: if you need help with sig fig rounding, let me know.
the answer should be 320.4
Answer:
i think the answer is 7^3
Step-by-step explanation:
when dividing numbers with exponents, you just subtract the smaller exponent from the larger one
pls tell me if im wrong
When b = 1 a^3 - b^2 = 3^3 - 1^2 = 26.