
Always do what's in parentheses first:

Then do multiplication and division:

Then addition and subtraction last:
Answer:
33.61 mm (the square root of 1130)
Step-by-step explanation:
Answer:
Use ≈ (approximately equal) sign as the scientific notation.
Step-by-step explanation:
(a) 0.001872 ≈ 0.0019
(b) 0.3411 ≈ 0.34
(c) 0.000845 ≈ 0.00085
*Zeros before non-zero numbers are not significant.
*Zeros appearing between two non-zero digits are significant.
Hope this helps!!
A I think
Step-by-step explanation:
I'm not 100% sure though