Question

1000 = 2^x × 5^x
find the value of x
​

Answer 1

Answer:

10³= 10power x

= 10power x= 10³

so

x=3

Answer 2

Step-by-step explanation:

2

x−7

×5

x−4

=1250

2

x−7

×5

x−4

=2×625

2

x−7

×5

x−4

=2

1

×5

4

x−7=1

x=8

x−4=4

x=8