evalute 98³ without calculating
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here is your ans .98^3 = 941192
Step-by-step explanation:by using the identity.
- 98^3 can be written as [100-2] so, now we'll use the identity [a-b]^3 = a^3 - b^3 -3a^2b + 3ab^2 [100 - 2]^3 = 100^3 - 2^3 - 3[ 100]^2 [2] + 3[100] [2]^2 1000000 - 3 - 60000 + 1200 =941192 answer. 98^3 = 941192
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