It is 9801 and is one of the things I have remembered form over the years (sad, isn't it!).
The simplest way to calculate it is:
99*99 = 992 = (100 - 1)2 = 1002 - 2*100*1 + 12 = 10000 - 200 + 1 = 9801
Multiplication by an integer is the same as repeated addition.
99. 99 cents to one cent spent.
140 multiplied by 2 28 multiplied by 10 There are many more ways to multiply to get 280.
3x33
lattice
10
Multiplication by an integer is the same as repeated addition.
99 squared, written 992, is the same as 99 x 99 (multiply the number with itself). You can simply do the multiplication.
99. 99 cents to one cent spent.
140 multiplied by 2 28 multiplied by 10 There are many more ways to multiply to get 280.
An infinite number of ways. 99+9/9 (99+9/9)*9/9 (99+9/9)*99/99 (99+9/9)*999/999 (99+9/9)*9/9*9/9 etc
There are many different ways for children to remember the multiplication table for a child. One of the most common is words that rhyme with the contents.
3x33
A dot stands for multiplication. Ways to show multiplication: 10a 10 x a 10(a) 10 *dot* a
Children can use multiplication in their daily lives in a number of creative ways. A child can calculate how many times they eat in a week for fun for example.
11 x 9
Multiplication: 2985984 Addition: 99