Answer:
1/9
Step-by-step explanation:
3⁻² = 1/3² = 1/9
Answer:
72 words per minute
Step-by-step explanation:
42 × y = 1 × 3024
42y = 3024
42y ÷ 42 = 3024 ÷ 42
y = 72
Answer:
x=2
Step-by-step explanation:
Answer:
2.507* 10^-4
Step-by-step explanation:
0.0002507
We need to have one number to the left of the decimal
We move the decimal 4 places to the right
Since we moved the decimal to the right, the exponent on the power of 10 is negative
2.507* 10^-4
Regrouping is only done into lower place values. For example, tens to ones and hundreds to tens.