Question

Scrie ca putere:

a) 2 la puterea 10 * 32
b) 81 * 3 la puterea 7 * 3 la puterea 8
c) 2 la puterea 17 *4 la puterea 5
d) 2 la puterea 11 + 2 la puterea 11
e) 3 la puterea 7 + 3 la puterea 7 + 3 la puterea 7
f) 5 la puterea 10 +5 la puterea 10+5 la puterea 10+5 la puterea 10+5 la puterea 10

Dau coroana

Answer 1

a) 
2^10*32=
=2^10*2^5=
=2^15

b) 
81*3^7*3^8=
=3^4*3^7*4^8=
=3^19

c) 
2^17*4^5=
=2^17*(2^2)^5=
=2^17*2^10=
=2^27

d)
2^11+2^11=
=2^11(1+1)=
=2^11*2=
=2^12

e)
3^7+3^7+3^7=
=3^7(1+1+1)=
=3^7*3=
=3*8

f)
5^10+5^10+5^10+5^10+5^10=
=5^10(1+1+1+1+1)=
=5^10*5=
=5^11

^ = ridicare la putere