MODULAR ARITHMETIC - WHAT IS THE LAST DIGIT OF $7^ {1000 ...
Someone showed me this question in an linear algebra hw dealing with fields: What is the last digit of $7^{1000}$? What's the idea behind this? Thanks. From bing.com
HOW MANY MINIMUM WEIGHTS DO YOU NEED TO MEASURE ALL WEIGHTS …
Jul 8, 2015 You can place weights on both side of weighing balance and you need to measure all weights between 1 1 and 1000 1000. For example if you have weights 1 1 and 3 3, now you … From bing.com
ALGEBRA PRECALCULUS - PARTITIONS USING ONLY POWERS OF TWO ON …
How many ways are there to write $1000$ as a sum of powers of $2,$ ($2^0$ counts), where each power of two can be used a maximum of $3$ times. Furthermore, $1+2+4+4$ is the … From bing.com
CALCULUS - OPTIMIZATION PROBLEM. FIND SMALLEST PERIMETER OF A …
Nov 14, 2018 QUESTION Find the dimensions of a rectangle with area 1000 1000 m 2 2 whose perimeter is as small as possible. MY WORK I think we are solving for dy dx d y d x: From bing.com
COMBINATORICS - NUMBER OF WAYS TO INVEST $\$20,000$ IN UNITS OF …
Feb 24, 2023 Number of ways to invest $20, 000 $ 20, 000 in units of $1000 $ 1000 if not all the money need be spent Ask Question Asked 2 years, 4 months ago Modified 2 years, 4 months … From bing.com
FIND THE NUMBER OF TIMES - MATHEMATICS STACK EXCHANGE
Aug 11, 2017 Question: Find the number of times 5 5 will be written while listing integers from 1 1 to 1000 1000. Now, it can be solved in this fashion. The numbers will be of the form: 5xy, x5y, … From bing.com
CREATING ARITHMETIC EXPRESSION EQUAL TO 1000 USING EXACTLY EIGHT …
I would like to find all the expressions that can be created using nothing but arithmetic operators, exactly eight $8$'s, and parentheses. Here are the seven solutions I've found (on the Internet)... From bing.com
May 13, 2014 If a number ends with n n zeros than it is divisible by 10n 10 n, that is 2n5n 2 n 5 n. A factorial clearly has more 2 2 s than 5 5 s in its factorization so you only need to count how … From bing.com
WHAT DOES IT MEAN WHEN SOMETHING SAYS (IN THOUSANDS)
Oct 31, 2017 It means "26 million thousands". Essentially just take all those values and multiply them by 1000 1000. So roughly $26 $ 26 billion in sales. From bing.com
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