What is 6.4 rounded t the nearest whole number

A Whole number are exact numbers like 0,1,2,3

Whole number are a set of positive integers along with 0 and exclude fractions and decimals numbers.

The  general rule for rounding off is;  

* If the number you are rounding off is followed by 5,6,7,8, or 9 round the number up.

or

* If the number you are rounding off is followed by 0,1,2,3,4, round the number down.

To find 6.4 rounded to the nearest whole number.

By the rule of rounding off;

As 4 is the first figure to be discarded and this is less than 5

then, the previous figure (i.,e 6) there would be no change.

Therefore, the number 6.4 rounded to the nearest whole number is 6.

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest

7.3

step-by-step explanation: