Question

a) 7² - 4 =
b) 2³ + 10 =
c) 5² - 6 =
d) 4² + 7⁰=
e) 5⁰+ 5³=
f) 2³+ 2⁴ =
g) 10³ - 10² =
h) 80¹ + 1⁸⁰ =
i) 5² - 3² =
j) 1⁸⁰ + 0⁷⁰ =

Answer 1

a) 7² - 4 = 7 . 7 - 4 = 49 - 4 = 45

b) 2³ + 10 = 2 . 2 . 2 + 10 = 8 + 10 = 18

c) 5² - 6 = 5 . 5 - 6 = 25 - 6 = 19

d) 4² + 7⁰ = 4 . 4 + 1 = 16 + 1 = 17

e) 5⁰ + 5³ = 1 + 5 . 5 . 5 = 1 + 125 = 126

f) 2³ + 2⁴ = 2 . 2 . 2 + 2 . 2 . 2 . 2 = 8 + 16 = 24

g) 10³ - 10² = 10 . 10 . 10 - 10 . 10 = 1000 - 100 = 900

h) 80¹ + 1⁸⁰ = 80 + 1 = 81

i) 5² - 3² = 5 . 5 - 3 . 3 = 25 - 9 = 16

j) 1⁸⁰ + 0⁷⁰ = 1 + 0 = 1

Answer 2

A) = 45

B) = 18

C) = 19

D) = 17

E) = 126

F) = 24

G) = 900

H) = 81

i ) = 16

J) = 1

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