Question

calculati
a) 2¹⁷×2²¹
b) 3⁴⁵×3⁸⁷×7
c) 7¹⁹×7⁸³×7
d) 2⁴⁷÷3³⁹
e) 5¹⁰⁸÷5⁷²
f) 2³⁷×2⁴⁷÷2⁵⁰
g) (10¹⁰)¹⁵
h) (2¹⁷)⁸×2³¹
i) 3¹⁰⁸÷ (3¹⁵)⁶
​

Answer 1

Răspuns:

a)

${2}^{17 + 21} = {2}^{38}$

b)

${3}^{45 + 87} \times 7 = {3}^{132} \times 7$

c)

${7}^{19 + 83 + 1} = {7}^{103}$

d)

${2}^{47 - 39} = {2}^{8}$

e)

${5}^{108 - 72} = {5}^{36}$

f)

${2}^{37 + 47 - 50} = {2}^{34}$

g)

${10}^{10 \times 15} = {10}^{150}$

h)

${2}^{17 \times 8 + 31 } = {2}^{167}$

i)

${3}^{108 - 15 \times 6} = {3}^{18}$

Answer 2

Răspuns:

a)2^38 ;   b)   3^82*7 ;   c )   7^53;   d) 2^8  ;  e)   5^36 ;   f) 2^31 ;                         g) 10^150 ;   2^136*2^31=2^167 ;   i ) 3^108;3^80=3^28

Explicație pas cu pas: