Answer:
option (2) is correct.
is in the scientific notation form.
Step-by-step explanation:
Given: Some expressions
We have to choose which expressions is written in scientific notation.
For an expression to be in scientific notation the most important requirement is that the whole number is between 1 and 10, but not including 10.
that is , 1 ≤ a < 10 and n is integer.
Thus, out of given only is in the scientific notation form.
Thus, option (2) is correct.
Answer:
42-24n
Step-by-step explanation:
(7 - 4n) . 6
= (7)(6) - (4n)(6) ...........using distributive property, multiply each term by (6)
= 42 -24n (answer)
The base length can be found when you take 21 and divide it by the height, the first base length will 4.2
Answer:
4/15 didnt i think
Step-by-step explanation: