Hey heart rate was 100 BPM immediately after running.
Unfortunately these aren’t expressions, these are equations that are not equivalent.
Answer:
Multiplication
Step-by-step explanation:
I think what you're talking about is not a decimal, but a multiplication point:

This dot can donate multiplication when in the middle of two numbers and/or fractions.
But if you're talking about some other point, then I don't know, sorry. :(
Do not bring the 10 in first. 8x15 and 4x3.
Answer:
Should be 70
Step-by-step explanation:
x is 80, so...
3.5(80) is 280
then subtract 210 which results in 70