$\dfrac{4\cdot10^5}{5\cdot10^2}=\dfrac{4}{5}\cdot\dfrac{10^5}{10^2}=0.8\cdot10^{5-2}=0.8\cdot10^3=0.8\cdot1,000=800\\\\\\\text{Used}\ \dfrac{a^m}{a^n}=a^{m-n}$

8 0

2 years ago

How to get the number 4 with the numbers 2,3,6,8 using all of them and you only use it once.

sergey [27]

Answer:

2 x 3 + 6 - 8

Step-by-step explanation:

2 x 3 = 6

6 + 6 = 12

12 - 8 = 4

5 0

3 years ago

Please can anyone help me please

Step2247 [10]

4.5, 4, 3.5, 3, 2.5, 2 and use the pencil and ruler, love a bit of MathsWatch

7 0

3 years ago

Read 2 more answers

a business shows a profit of $110 for selling 20 leather wallets how much profit would the business make if they sold 35 wallets

mafiozo [28]

Answer:

They would get 192.5

Step-by-step explanation:

First we need to find how much it cost per 1 so you will need to dovide 110 by 20 which equal 5.5

Then you will multiply 5.5*35 and get 192.5

8 0

3 years ago