Question

and
from 21, where 21 = 3 X 4 +
Similarly, for finding n, the addition of
odd numbers should start from n(n - 1)
When n = 10, n(n-1) + 1 = 10 x 9 + 1
7.8
Exercise 4A
1 Find the value of:
a 33
b 83
g (3.2)
h (0.5)
2 Looking at the following numbers
a 10000
b 1000000
3 Write the units digits of the follow
a (387)
b (83)
4 Find the odd numbers to be added
b 12
a 7
PRIME FACTORISATION​

Answer 1

Answer:

When n = 10, n(n-1) + 1 = 10 x 9 + 1

7.8

Exercise 4A

1 Find the value of:

a 33

b 83

g (3.2)

h (0.5)

2 Looking at the following numbers

a 10000

b 1000000

3 Write the units digits of the follow

a (387)

b (83)