Answer:
40
Step-by-step explanation:
n/10+5=9
n/10=9-5
n/10=4
n=4*10
n=40
<span>(2x + 1)(x + 3) = 2x^2 + 6x + x + 3 = 2x^2 + 7x + 3 A.</span>
If you're asking how to simplify, then this is how you do it.
when a power meets another power but in brackets, then you have to multiply the powers. ¼ × 4 would be 1. i simplified 81 to 3⁴.
Answer:
Four hundredths
In standard form - 
Step-by-step explanation:
Given : The green darner is one of the largest dragonflies.
It weighs about four hundredths of an ounce.
To write : Four hundredths in standard form.
Solution :
Standard form is when we write a larger number in a smaller way.
For example : 
So, according to question
Largest dragonflies weighs about four hundredths of an ounce.
Four hundredths means 0.04
In standard form - 
Answer: 20
Step-by-step explanation: