Answer:
4.3 *10^3
Step-by-step explanation:
The first blank on the left side should be 0 I think
Answer:
4x - 6
Step-by-step explanation:
6 less is -6
product of four and a number x is 4x
Answer:
6 and 7
Step-by-step explanation:
now make me brainliest
Answer:
sample variances
Step-by-step explanation:
The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.
The weights represent the sample variances.
So the correct answer is
sample variances