Question

Mental Maths
Observe the example in the box and use them
to multiply.
a) 45 x 101 =
b) 30 x 103 =
c) 35 x 102 =
d) 9 x 202 =
od of first finding the
one by dividing, and then
e of many by multiplying is
the unitary method.
Observe the example in the box and use the me
to multiply.
a) 9 x 19 =
b) 8 x 49 =
c) 7 x 29 =
d) 9 x 29 =
a) 5000 + 50 = ?
b) 23 x 20 = ?
d) If 20 x 35 = 700, what is 21 x 36?
eople can 8 cars carry?
ked Bag
recanor​

Answer 1

Answer:

See the attachment

Step by step Explanation:

a) 45 x 101    =  45 *(100 +1) = 4500 +45 = 4545

b) 30 x 103   = 30 *(100 +3) = 3000 + 90 = 3090

c) 35 x 102   = 35 *(100 +2) = 3500 + 70 = 3570

d) 9 x 202    = 9 * (200 +2) = 1800 + 18 = 1818

Answer 2

Step-by-step explanation:

if20×35=700,what is21×36?