Which activity is 6 times faster than the fastest rowing speed?

Luge

Step-by-step explanation:

According to a different source, these are the fastest possible speeds of various types of sports:

Swimming: 5 mph

Cycling: 36.4 mph

Rowing: 14.23 mph

Luge: 85.38 mph

Throwing a baseball: 100.9 mph

The fastest rowing speed is 14.23 mph. The speed of the luge is 6 times this (14.23*6=85.38)

I was only able to answer 3 but I do hope this helped. B

Step-by-step explanation:

(4×10^3)×(12×10^5)

Remove the parentheses

4×10^3×12×10^5

Calculate the product

4.8×10^9

I hope this helped?