Question

-21×98
consider the expression Below
which of these can be used to find the values of the expression?
a) -21×100-2
b)-20-1×100-2
c)-21×-2+(-21)×100
d) -(-21)×-2+(-21)×100​

Answer 1

option B can be used to find the values of the -21×98..

Answer 2

The correct answer is option C.

Given: -21×98.

To Find: Evaluate and expand this expression.

Solution:

= -21 x 98

= -21 x (100-2)

= -21 x 100 + 21 x 2

= 21×-2+(-21)×100

Hence, option C is correct.

#SPJ3