Answer:
$8
Step-by-step explanation:
40% times $20 = 8
BRAINLIEST PLEASE
Answer:
(A) 509.78
We need to move the decimal point after the first non-zero digit
So,
=> 5.0978 × 10² (Since the decimal point is moved two places to the left)
(B) 0.0289
Again after the first non-zero digit:
So, it becomes:
=> 2.89 × 10⁻² (Since the decimal point is moved 2 places to the right so it will be negative also)
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
you will need to do:
j/9*2=2j/9
Answer: 31311620
Step-by-step explanation: Calculator