Question

a) 3⁴×3⁵:3³=
b) (7²)³:(7²)²×[(7⁴)⁵]²
c)[(4×4²)³:16³+5²]-100:4
​

Answer 1

a) 3^4×3^5:3^3=

3^9:3^3=

3^6

b)(7^2)^3:(7^2)^2×[(7^4)^5]^2=

7^6:7^4×(7^20)^2=

7^2×7^40=

7^42

c)[(4×4^2)^3:16^3+5^2]-100:4=

[(4×4^6):(4^2)^3+5^2]-25=

(4^7:4^6+5^2)-25=

(4^1+25)-25=

29-25=

4