Question

9

Altair is a star that rotates at
about 7.56 × 105 kilometers
per hour at its diameter. Earth
rotates at about 1600 kilometers
per hour at its diameter. About
how many times faster does
Altair rotate at its diameter
than Earth?
A
5
B 50
C 500
D
5000

Answer 1

Step-by-step explanation:

7.56 × 10^5 kilometers per hour / 1.600 x 10^3 kilometers per hour=

4.78 x 10^2 = 478 = about 500